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Harken 16mm AirBlocks

Harken 16mm AirBlocks

Harken's smallest block, the 16mm is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive, grooved race. The safe working load of 250lbs is the highest on the market for similarly sized blocks. Great for dinghy control lines, big boat leech lines, downhauls, traveler controls, spinnaker pole trip lines, outhauls, cunninghams and halyards on prams.

The H404 has an O-Ring (replacement HSB340) and the H442 has a spacer which keep the line on the sheave during intermittent loading.

Part No. Description Sheave Dia. Length Weight Max Line SWL Break Strength
in mm in mm oz g in mm lbs kg lbs kg
H368 In-line exit* 5/8 16 3 76 .94 27 7/32 5 250 113 1200 544
H376 Forkhead 5/8 16 1-1/8 29 .38 11 7/32 5 250 113 1200 544
H391 Hook-in halyard 5/8 16 1-5/8 41 .5 13 7/32 5 250 113 400 181
H404 Single** 5/8 16 1-1/8 29 .33 10 7/32 5 250 113 1200 544
H405 Single/becket 5/8 16 1-1/2 38 .44 12 7/32 5 250 113 1200 544
H406 Double 5/8 16 1-11/16 43 .94 27 7/32 5 450 204 1200 544
H407 Double/becket 5/8 16 2-1/8 54 1 28 7/32 5 450 204 1200 544
H408 Triple 5/8 16 1-13/16 46 1.44 41 7/32 5 700 318 1200 544
H409 Triple/becket 5/8 16 2-1/4 57 1.5 43 7/32 5 700 318 1200 544
H416 Cheek* 5/8 16 1-11/16 46 .44 12 7/32 5 250 113 1200 544
H417 Single/swivel** 5/8 16 1-11/16 46 .63 18 7/32 5 250 113 750 339
H421 Thru-deck* 5/8 16 2-3/8 60 .63 18 7/32 5 250 113 1200 544
H432 Pivot Cheek block* 5/8 16 1-3/8 35 .38 11 7/32 5 250 113 750 339
H437 Flip-flop block* 5/8 16 1-5/8 34 .75 21 7/32 5 250 113 1200 544
H442 Block/eyestrap assembly* 5/8 16 1-3/8 35 .44 12 7/32 5 250 113 1200 544
H467 Narrow Single Block 5/8 16 - - .44 12 5/32 4 250 113 750 339

* #8 (4mm) RH Fasteners ** Shackle pin diameter 5/32 (4mm)



H368 16mm Double Thru-deck Price: $49.54 H376 16mm Fork Head Air Block Price: $18.39
H391 16mm Hook-In Halyard Block Price: $25.92 H404 16mm Single Price: $12.98
H405 16mm Single w/Bec Price: $14.83 H406 16mm Double Price: $26.97
H407 16mm Double w/Bec Price: $29.48 H408 16mm Triple Price: $38.06
H409 16mm Triple w/Bec Price: $40.08 H416 16mm Cheek Price: $15.00
H417 16mm Single w/Swivel Price: $23.28 H421 16mm Single Thru-deck Price: $36.08
H432 16mm Pivoting Cheek Price: $16.19 H437 16mm Flip-flop Price: $34.19
H442 16mm Single w/Eye-Strap Price: $19.49 H467 16mm Narrow Single Block Price: $14.78
HSB294 16mm single w/clevis pin axle Price: $14.28 HSB340 O Ring for 16mm Price: $0.27


Harken Micro Blocks

Harken Micro Blocks

Low-friction Micro blocks are compact and lightweight, with fast trim and release under high or low loads. Ideal for sailboards, smaller dinghies and for lightly loaded control lines on boats of all sizes. They feature free-rolling Delrin ball bearings, a 7/8" (22 mm), UV-stabilized with carbon-black additive for maximum protection sheave, and stainless steel sideplates.

Great for cunninghams, outhauls, vangs, traveler controls, barberhaulers, flag halyards, leech cords and lead car return tackles.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H224 Single 7/8 22 1-1/2 38 .5 14 1/4 6 - - 200 91 1200 544
H225 Single/becket 7/8 22 2 51 .75 21 1/4 6 - - 200 91 1200 544
H225SPA Single w/removable pin in becket 7/8 22 2 51 .4 15 1/4 6 - - 200 91 1200 544
H226 Double 7/8 22 2 51 1.5 43 1/4 6 - - 350 159 1200 544
H227 Double/becket 7/8 22 2-1/2 64 1.5 43 1/4 6 - - 350 159 1200 544
H228 Triple 7/8 22 2 51 2 57 1/4 6 - - 500 227 1200 544
H229 Triple/becket 7/8 22 2-1/2 64 2.25 64 1/4 6 - - 500 227 1200 544
H230 Triple/Carbo-Cam 7/8 22 2 51 3.5 99 1/4 6 - - 500 227 1200 544
H231 Triple/Carbo-Cam/becket 7/8 22 2-1/2 64 3.5 99 1/4 6 - - 500 227 1200 544
H232 Traveler 7/8 22 2-3/4 71 1.25 35 1/4 6 - - 200 91 1200 544
H233 Cheek*** 7/8 22 2-1/2 64 .75 21 1/4 6 - - 200 91 1200 544
H234 Single/shackle 7/8 22 2-1/4 57 .75 21 1/4 6 3/16 5 200 91 1200 544
H235 Single/shackle/becket 7/8 22 2-3/4 71 1 28 1/4 6 3/16 5 200 91 1200 544
H242 Thru-deck*** 7/8 22 2-5/8 67 1 28 1/4 6 - - 200 91 1200 544
H243 Upright*** 7/8 22 1-1/2 38 1 28 1/4 6 - - 200 91 1200 544
H244 Fiddle/V-jam* 7/8 22 3/1/2 89 2 57 1/4 6 3/16 5 350 159 1200 544
H245 Fiddle w/ Jam and Becket** 7/8 22 4 102 2 57 1/4 6 3/16 5 350 159 1200 544
H292 Micro Single with Swivel* 7/8 22 2-3/8 60 1 28 1/4 6 5/32 4 200 91 1200 544
H377 Micro Fork Head 7/8 22 1-21/32 42 9/16 16 1/4 6 - - 200 91 1200 544
H443 Block/eyestrap assembly+ 7/8 22 1-3/4 45 9/16 16 1/4 6 - - 200 91 1000 454
HSB439 Micro Fiddle 7/8 22 2-3/4 69 1 30 3/16 5 - - 250 113 1200 544

*For 3:1 style vang use H244 + H235
**For 4:1 style vang use H245 + H226
***#10 (5mm) RH Fasteners + #8 (4mm) RH Fasteners

H224 Micro Single Price: $10.82 H225 Micro Single w/Bec Price: $12.50
H225SPA Micro Single w/Removable Becket Price: $13.32 H226 Micro Double Price: $27.28
H227 Micro Double w/Bec Price: $29.48 H228 Micro Triple Price: $39.07
H229 Micro Triple w/Bec Price: $40.00 H230 Micro Triple w/Cam Price: $85.49
H231 Micro Triple w/Cam & Bec Price: $87.12 H232 Micro Traveler Price: $24.29
H233 Micro Cheek Price: $14.74 H234 Micro Single w/Shackle Price: $15.66
H235 Micro Single w/Shackle & Bec Price: $17.38 H242 Micro Single Thru-deck Price: $26.09
H243 Micro Upright Price: $15.14 H244 Micro Fiddle w/V-jam Price: $31.90
H245 Micro Fiddle w/V-jam & Bec Price: $34.72 H292 Micro Single w/Swivel Price: $21.74
H377 Micro Fork Head Price: $17.56 H443 Micro Single w/Eye-Strap Price: $18.00
HSB439 Micro Fiddle Block Price: $26.65


Harken Bullet Blocks

Harken Bullet Blocks

Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.

Free-rolling Delrin® ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection.

Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams used for halyard controls and under boom mainsheets.

The 140 is designed for under-boom mainsheets or for spar-mounted halyards and control lines and pivots for a fair lead. The 141 is ideal for control lines

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H082 Single 1-1/8 29 2 551 1 28 5/16 8 - - 300 136 2000 907
H083 Single/becket 1-1/8 29 2-3/4 70 1.25 35 5/16 8 - - 300 136 2000 907
H084 Double 1-1/8 29 2-3/4 70 2.5 71 5/16 8 3/16 5 400 181 2000 907
H085 Double/becket 1-1/8 29 3-1/2 89 2.75 78 5/16 8 3/16 5 400 181 2000 907
H086 Triple 1-1/8 29 3 76 3.75 106 5/16 8 3/16 5 600 272 2000 907
H087 Triple/becket 1-1/8 29 3-3/4 95 4.5 128 5/16 8 3/16 5 600 272 2000 907
H088 Thru-deck* 1-1/8 29 3 76 1.25 35 5/16 8 - - 300 136 2000 907
H089 In-line exit* 1-1/8 29 3-3/4 95 1.75 50 5/16 8 - - 400 181 2000 907
H092 Cheek** 1-1/8 29 2-7/8 73 1.25 35 5/16 8 - - 300 136 2000 907
H096 Upright** 1-1/8 29 1-1/2 38 1.5 43 5/16 8 - - 300 136 2000 907
H113 Pivoting Cheek** 1-1/8 29 1-1/8 29 1 28 5/16 8 - - 300 136 2000 907
H166 Single/swivel 1-1/8 29 2-3/4 70 1.5 43 5/16 8 3/16 5 300 136 2000 907
H167 Single/swivel/becket 1-1/8 29 3-1/2 89 1.75 50 5/16 8 3/16 5 300 136 2000 907
H220 Double Upright** 1-1/8 29 1-1/2 38 2.25 64 5/16 8 - - 400 181 2000 907
H287 Thru-deck (SS)** 1-1/8 29 3 76 1.25 35 5/16 8 - - 300 136 2000 907
H289 In-line exit (SS)** 1-1/8 29 3-3/4 95 2 60 5/16 8 - - 400 181 2000 907

*#10 (5mm) FH Fasteners **#8 (4mm) RH Fasteners

H082 Bullet Single Price: $14.17 H083 Bullet Single w/Bec Price: $16.98
H084 Bullet Double Price: $38.59 H085 Bullet Double w/Bec Price: $41.40
H086 Bullet Triple Price: $53.81 H087 Bullet Triple w/Bec Price: $56.63
H088 Bullet Single Thru-deck Price: $20.68 H089 Bullet Double Thru-deck Price: $32.87
H092 Bullet Cheek Price: $17.49 H096 Bullet Single Upright Price: $21.03
H113 Bullet Pivoting Cheek Price: $22.84 H166 Bullet w/Swivel Price: $25.12
H167 Bullet w/Swivel & Bec Price: $27.94 H220 Bullet Double Upright Price: $37.36
H287 Bullet Single Thru-deck SS Price: $30.89 H289 Bullet Double Thru-deck SS Price: $43.38


Harken Wire Bullet Blocks

Harken Wire Bullet Blocks

These are Bullet Blocks upgraded for use with wire with roller bearings, which carry higher loads than ball bearings and Teflon-impregnated, Hardkote-anodized aluminum sheaves. Wire sheaves are dark grey compared to non-Wire Bullet Blocks' black sheaves, which can help you tell them apart.  Sheaves are 1-1/8 inch (29mm) and support a max wire size of 5/16" (8mm). Use these blocks for halyards and other small boat wire controls or for more highly loaded high-tech lines.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H098 Wire Single 1-1/8 29 2 51 1 28 5/16 8 - - 500 227 2000 907
H099 Wire Single/becket 1-1/8 29 2-3/4 70 1.25 35 5/16 8 - - 500 227 2000 907
H100 Wire Double 1-1/8 29 2-3/4 70 2.75 78 5/16 8 3/16 5 750 340 2000 907
H106 Wire Thru-deck* 1-1/8 29 3 76 1.25 35 5/16 8 - - 500 227 2000 907
H108 Wire Upright** 1-1/8 29 1.1/2 38 1.5 43 5/16 8 - - 500 227 2000 907
H109 Wire Cheek** 1-1/8 29 2-7/8 73 1.25 35 5/16 8 - - 500 227 2000 907
H183 Wire Single/swivel 1-1/8 29 2-3/4 70 1.5 43 5/16 8 3/16 5 500 227 2000 907
H288 Wire Thru-deck (SS)** 1-1/8 29 3 76 1.5 43 5/16 8 - - 400 181 2000 907
H290 Wire In-line exit (SS)** 1-1/8 29 3-3/4 95 2.25 64 5/16 8 - - 400 181 2000 907

*#10 (5mm) FH Fasteners **#8 (4mm) RH Fasteners

H098 Wire Bullet Single Price: $18.66 H099 Wire Bullet Single w/Bec Price: $22.00
H100 Wire Bullet Double Price: $48.05 H106 Wire Bullet Thru-deck Price: $25.74
H108 Wire Bullet Upright Price: $26.00 H109 Wire Bullet Cheek Price: $22.44
H183 Wire Bullet Single w/Swivel Price: $29.00 H288 Wire Bullet Thru-deck Price: $35.77


Harken Bullet Blocks w/Cam Cleats

Harken Bullet Blocks w/Cam Cleats

Harken has combined their Bullet Blocks with their Cam Cleats in several very useful configurations. Harken Bullet Blocks have ball bearing sheaves for a minimum of friction. Sheaves are 1-1/8 inch (29 mm) and support a max line size of 5/16" (8 mm), though in some cases Micro cleats limit line to 1/4" (6 mm) (see below).

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H094 Triple/365 Carbo-Cam 1-1/8 29 3-3/4 95 7 198 5/16 8 3/16 5 600 272 2000 907
H095 Triple/365 Carbo-Cam/becket 1-1/8 29 4 102 7.25 205 5/16 8 3/16 5 600 272 2000 907
H197 Exit/150 Cam-Matic (port/stbd)* 1-1/8 29 3 76 4.5 128 5/16 8 - - 300 136 2000 907
H291 Pivoting Exit/423 Carbo-Cam* 1-1/8 29 2-3/4 70 3.75 106 1/4 6 - - 150 68 2000 907
H299 Pivoting Exit/423 Carbo-Cam/becket* 1-1/8 29 2-3/4 70 4 113 1/4 8 3/16 5 150 68 2000 907
H392 4:1 Downhaul/338 Cam-Matic* 1-1/8 29 8 203 11 313 1/4 6 - - 400 181 2000 907

*#10 (5mm) RH Fasteners

H197 Bullet Exit w/150 Cam & Bec Price: $83.73 H291 Bullet Pivot Exit w/Carbon Cam Price: $79.44


Harken Big Bullet Blocks

Harken Big Bullet Blocks

Low-friction Big Bullet Blocks have a huge range of uses. Compact and lightweight, they trim and release fast under high or low loads on free-rolling Delrin ball bearings. Sheaves and sideplates are UV-stabilized with carbon-black additive for maximum protection.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H125 Single 1-1/2 38 2-1/2 64 1.5 43 3/8 10 - - 300 136 2000 907
H126 Single/becket 1-1/2 38 3-1/2 89 2 57 3/8 10 - - 300 136 2000 907
H127 Double 1-1/2 38` 3-1/2 89 4.25 120 3/8 10 1/4 6 600 272 2000 907
H128 Double/becket 1-1/2 38 4-1/2 114 4.75 135 3/8 10 1/4 6 600 272 2000 907
H129 Triple 1-1/2 38 3-3/4 95 6.5 184 3/8 10 1/4 6 750 340 2000 907
H130 Triple/becket 1-1/2 38 4-3/4 121 6.75 191 3/8 10 1/4 6 750 340 2000 907
H131 Thru-deck* 1-1/2 38 3-1/2 89 2.25 64 3/8 10 - - 300 136 2000 907
H132 Cheek* 1-1/2 38 3-1/2 889 2 57 3/8 10 - - 300 136 2000 907
H134 In-line exit* 1-1/2 38 5 127 3.25 92 3/8 10 - - 600 272 2000 907
H146 Single/shackle 1-1/2 38 3-1/8 79 2 57 3/8 10 3/16 5 300 136 2000 907
H147 Single/shackle/becket 1-1/2 38 4 102 2.25 64 3/8 10 3/16 5 300 136 2000 907
H148 Traveler 1-1/2 38 4-1/4 108 2.5 71 3/8 10 - - 300 136 2000 907
H168 Single/swivel 1-1/2 38 3-1/4 83 2.25 64 3/8 10 3/16 5 300 136 2000 907
H169 Single/swivel/becket 1-1/2 38 4 102 2.5 71 3/8 10 3/16 5 300 136 2000 907
H222 Upright** 1-1/2 38 2-1/4 57 2.5 71 3/8 10 - - 300 136 2000 907
H223 Double Upright** 1-1/2 38 2-1/4 57 3.25 92 3/8 10 - - 600 272 2000 907

*#10 (5mm) FH Fasteners **#10 (5mm) RH Fasteners

H125 B Bullet Single Price: $25.83 H126 B Bullet Single w/Bec Price: $28.82
H127 B Bullet Double Price: $64.81 H128 B Bullet Double w/Bec Price: $67.80
H129 B Bullet Triple Price: $93.63 H130 B Bullet Triple w/Bec Price: $96.62
H131 B Bullet Single Thru-deck Price: $34.14 H132 B Bullet Cheek Price: $31.91
H134 B Bullet Double Thru-deck Price: $52.36 H146 B Bullet Single w/Shackle Price: $29.61
H147 B Bullet Single w/Shackle&Bec Price: $34.50 H168 B Bullet Single w/Swivel Price: $34.01
H169 B Bullet Single w/Swivel & Bec Price: $37.00 H222 B Bullet Upright Price: $35.68
H223 B Bullet Double Upright Price: $63.27


Harken Big Bullet Blocks w/Cam Cleats

Harken Big Bullet Blocks w/Cam Cleats

Harken has combined their Big Bullet Blocks with their Cam Cleats in three useful configurations. Compact and lightweight, Harken Big Bullet Blocks have ball bearing sheaves for a minimum of friction. They feature free-rolling Delrin ball bearings and UV stabilized with carbon-black additive maximum protection sheave and sideplates. Sheaves are 1 1/2" (38 mm).

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H140 Pivoting exit/150 Cam-Matic* 1-1/2 38 3-1/8 79 8 227 3/8 10 - - 300 136 2000 907
H141 Pivoting exit/365 Carbo-Cam* 1-1/2 38 3-1/2 89 7 206 3/8 10 - - 200 91 2000 907
H362 Single/423 Carbo-Cam/becket 1-1/2 38` 4-3/16 106 5 142 1/4 6 3/16 5 150 68 2000 907

*#10 (5mm) RH Fasteners

H140 B Bullet Pivot Exit w/Alum Cam Price: $102.24


Harken Dinghy Blocks

Harken Dinghy Blocks

Low-profile Dinghy blocks are compact and lightweight, with fast trim and release under high or low loads. They are designed for dinghies and control lines on larger boats. Do not use light-duty Dinghy blocks on heavy course racing keelboats, scows or catamarans.

These blocks feature free-rolling Delrin ball bearings, UV-stabilized sheave and sideplates, and high-strength stainless steel side straps.

On the non-swivelled Dinghy blocks, the in-head shackle minimizes block length for purchase power in a limited space. On the H021 and H022 Singles the shackle can be rotated 90°, or even inverted so that the block can be shackled directly to a tang. Inverting the shackle requires another 3/16" (5 mm) clevis pin, not included.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H021 Single 1-3/4 44 3 76 3 85 3/8 10 3/16 5 350 159 2000 907
H022 Single/becket 1-3/4 44 4 102 3-1/2 99 3/8 10 3/16 5 350 159 2000 907
H023 Single/swivel 1-3/4 44 3-1/2 89 3-1/2 99 3/8 10 3/16 5 350 159 2000 907
H024 Single/swivel/becket 1-3/4 44 4-1/2 114 4 113 3/8 10 3/16 5 350 159 2000 907
H025 Double 1-3/4 44 3 76 5-1/2 156 3/8 10 3/16 5 700 318 2000 907
H026 Double/becket 1-3/4 44 4 102 6 170 3/8 10 3/16 5 700 318 2000 907
H027 Cheek+* 1-3/4 44 2-3/4 70 2-1/2 71 3/8 10 - - 350 159 2000 907
H046 Thru-deck* 1-3/4 44 3 76 4 113 3/8 10 - - 350 159 2000 907
H063 Traveler Control** 1-3/4 44 3-1/4 83 5-1/2 156 3/8 10 3/16 5 700 318 2000 907

+Includes Fasteners *#8 (4mm) FH Fasteners **Fits Big Boat H3163 traveler car w/H659

H022 Dinghy Single w/Bec Price: $36.44 H023 Dinghy Single w/Swivel Price: $33.90
H025 Dinghy Double Price: $54.61 H026 Dinghy Double w/Bec Price: $59.46
H046 Dinghy Single Thru-deck Price: $46.24


Harken 2.25 Inch Blocks

Harken 2.25 Inch Blocks

The 2.25" (57 mm) is the original Harken block. They are compact and lightweight, with fast trim and release under high or low loads. Use for main or jib sheets, shippaker halyards or control lines on dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.

These blocks feature removable beckets to allow easy attachment of pre-spliced line, a set screw that locks the shackle in front or side positions or allows it to swivel freely, free rolling Delrin ball bearings, and UV-stabilized sheave and sideplates.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H001 Single 2-1/4 57 4-1/4 108 4-1/2 128 7/16 12 3/16 5 500 227 2500 1134
H002 Single/becket 2-1/4 57 5 127 5 142 7/16 12 3/16 5 500 227 2500 1134
H003 Double 2-1/4 57 4-1/2 114 8-1/2 241 7/16 12 1/4 6 1000 454 3000 1361
H004 Double/becket 2-1/4 57 5-1/2 138 9-1/2 269 7/16 12 1/4 6 1000 454 3000 1361
H013 Cheek+* 2-1/4 57 3-1/4 83 5 142 7/16 12 - - 500 227 2500 1134
H047 Thru-deck* 2-1/4 57 3-1/2 89 5-1/2 156 7/16 12 - - 500 227 2500 1134
H048 Triple 2-1/4 57 5 127 12 340 7/16 12 1/4 6 1200 544 3000 1361
H076 Triple/becket 2-1/4 57 5-3/4 146 13-1/2 383 7/16 12 1/4 6 1200 544 3000 1361
H186 Single/150 Cam-Matic/becket 2-1/4 57 5 127 10-1/2 298 7/16 12 3/16 5 500 227 2500 1134
H206 Upright lead** 2-1/4 57 3-1/4 83 5-1/2 156 7/16 12 - - 500 227 2500 1134

+Includes Fasteners & mounting pads *#8 (4mm) RH Fasteners **#10 (5mm) RH Fasteners

H001 2.25 Single Price: $45.67 H002 2.25 Single w/Bec Price: $58.05
H003 2.25 Double Price: $95.67 H004 2.25 Double w/Bec Price: $107.90
H013 2.25 Cheek Price: $42.96 H047 2.25 Single Thru-deck Price: $54.34
H048 2.25 Triple Block Price: $150.01 H186 2.25 Single w/Cam & Bec Price: $130.06
H206 2.25 Upright Price: $61.73


Harken 3.00 Inch Blocks

Harken 3.00 Inch Blocks

The 3.00" (76 mm) blocks are compact and lightweight, with fast trim and release under high or low loads. Use for main or jib sheets, shippaker halyards or control lines on dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers.

These blocks feature removable beckets to allow easy attachment of pre-spliced line, a set screw that locks the shackle in front or side positions or allows it to swivel freely, free rolling Delrin ball bearings, and UV-stabilized sheave and sideplates. The High-Load versions use Torlong bearings and forged stainless shackles, and the Wire version has a Harkkote-anodized, Teflon impregnated aluminum sheaves for strength and corrosion resistance.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H005 Single 3 76 5 127 7 198 7/16 12 3/16 5 750 340 2500 1134
H011 Heavy-duty Single 3 76 5-1/4 133 8 227 7/16 12 1/4 6 750 340 3000 1361
H012 Heavy-duty Single/becket 3 76 6-1/4 159 8-1/2 241 7/16 12 1/4 6 750 340 3000 1361
H014 Cheek+* 3 76 4 102 6 170 7/16 12 - - 750 340 2500 1134
H202 Wire Single 3 76 5-1/4 133 9-1/2 269 7/16 12 1/4 6 850 386 3000 1361

+Includes Fasteners & mounting pads *#8 (4mm) RH Fasteners

H005 3.00 Single Price: $64.58 H011 3.00 Single Heavy-duty Price: $77.54
H012 3.00 Single Heavy-Duty w/Bec Price: $92.77 H014 3.00 Cheek Price: $39.99
H202 Wire 3.00 Single Price: $97.57


Harken Little Hexaratchets

Harken Little Hexaratchets

Little Hexaratchets grip loaded sheets, yet allow line to be eased with complete control and provide fast trim and release under high or low loads. They feature Hardkote-anodized, Teflon impregnated eight-sided sheaves machined from solid aluminum for strength and corrosion resistance, free-rolling Delrin ball bearings, UV-stabilized sheave and sideplates and high-strength stainless steel straps.

Use the H043 Single, Counterclockwise with the H019 Single, Clockwise on spinnaker and jib sheets where the ratchets must rotate in opposite directions and on/off switches must face up. Note that the counterclockwise slider switch is white, while blocks with clockwise ratcheting have black sliders.

The H041, and H398 are being phased out and are only available by special order for matching existing systems. For new systems, please consider the 57mm Carbo Ratchets and Ratchamatics.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength Hold Power w/180° Turns
in mm in mm oz g in mm in mm lbs kg lbs kg wrap 50 lb (23kg)
H017 Cheek (stbd)+ 2-1/4 57 3-3/4 95 4.5 128 3/8 10 - - 500 227 1000 454 10:1 CW
H018 Cheek (port)+ 2-1/4 57 3-3/4 95 4.5 128 3/8 10 - - 500 227 1000 454 10:1 CCW
H019 Single 2-1/4 57 4-1/4 108 5 142 3/8 10 3/16 5 500 227 2000 907 10:1 CW
H041 Single/becket 2-1/4 57 5 127 5.5 156 3/8 10 3/16 5 500 227 2000 907 10:1 CCW
H043 Single 2-1/4 57 4-1/4 108 5 142 3/8 10 3/16 5 500 227 2000 907 10:1 CCW
H187 Single/150 Cam-Matic 2-1/4 57 4-1/4 108 10.5 298 3/8 10 3/16 5 500 227 2000 907 10:1 CW
H188 Single/150 Cam-Matic/becket 2-1/4 57 5 127 11 312 3/8 10 3/16 5 500 227 2000 907 10:1 CW
H397 Double 2-1/4 57 4-1/8 105 10 284 3/8 10 3/16 5 750 341 2500 1134 10:1 CW/CCW
H398 Crossblock/412 Cam-Matic 2-1/4 57 7-1/8 181 20 575 3/8 10 3/16 5 1000 454 1500 680 10:1 CW/CCW


H017 Little Hexaratchet Cheek, Starboard, Clockwise Price: $79.76 H018 Little Hexaratchet Cheek, Port, Counterclockwise Price: $79.76
H019 Little Hexaratchet Single, Clockwise Price: $76.14 H041 Little Hexaratchet Single w/ Becket, Counterclockwise Price: $69.34
H043 Little Hexaratchet Single, Counterclockwise Price: $76.14 H188 Little Hexaratchet Single w/ Cam & Becket, Clockwise Price: $161.15
H397 Lil Hex. Double CCW Price: $188.67


Harken Hexaratchet II+2

Harken Hexaratchet II+2

Hexaratchet II+2 blocks grip loaded sheets, yet allow line to be eased with complete control and provide fast trim and release under high or low loads. They provide 15:1 holding power with a 180° wrap and 50 lb (23 kg).

They feature Hardkote-anodized, Teflon impregnated eight-sided sheaves machined from solid aluminum for strength and corrosion resistance, free-rolling Delrin ball bearings, UV-stabilized sheave and sideplates and high-strength stainless steel straps.

Use the H044 Single, Counterclockwise with the H009 Single, Clockwise on spinnaker and jib sheets where the ratchets must rotate in opposite directions and on/off switches must face up. Note that the counterclockwise knob switch is white, while blocks with clockwise ratcheting have black knobs.

The H045 and H091 are being phased out and are only available by special order for matching existing systems. For new systems, please consider the 75mm Carbo Ratchets and Ratchamatics.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength Hold Power w/180° Turns
in mm in mm oz g in mm in mm lbs kg lbs kg wrap 50 lb (23kg)
H009 Single 3 76 5 127 8.5 241 7/16 12 3/16 5 750 341 2000 907 15:1 CW
H015 Cheek (stbd)+ 3 76 4 102 7.5 213 7/16 12 - - 750 341 1500 680 15:1 CW
H016 Cheek (port)+ 3 76 4 102 7.5 213 7/16 12 - - 750 341 1500 680 15:1 CCW
H044 Single 3 76 5 127 8.5 241 7/16 12 3/16 5 750 341 2000 907 15:1 CCW
H045 Single/becket 3 76 6 152 9 255 7/16 12 3/16 5 750 341 2000 907 15:1 CCW
H050 Single/becket 3 76 6 152 9 255 7/16 12 3/16 5 750 341 2000 907 15:1 CW
H091 Single/150 Cam-Matic/becket 3 76 6 152 14.5 411 7/16 12 3/16 5 750 341 2000 907 15:1 CW
H399 Double/ratchet 3 76 5 127 18.5 525 7/16 12 3/16 5 750 341 2500 1134 15:1 CCW

+ Includes #8 (4mm) RH Fasteners and mounting pad

H009 Hex. II+2 Single CW Price: $90.19 H015 Hex. II+2 Cheek (stbd) CW Price: $86.11
H016 Hex. II+2 Cheek (port) CCW Price: $86.11 H044 Hex. II+2 Single CCW Price: $90.19
H045 Hex. II+2 Single w/Bec CCW Price: $92.50 H050 Hex. II+2 Single w/Bec CW Price: $99.89
H399 Hex. II+2 Double CW Price: $191.52


Harken Hexa-Cat Bases

Harken Hexa-Cat Bases

Use Harken Hexa-Cat Bases to build powerful mainsheet systems and tackles. In a Hexa-Cat system the upper and lower blocks swivel independently so the cam block pivots to face the trimmer even when the main is sheeted hard. Hardkote-anodized aluminum 3.00 inch (76mm) ratchet sheaves on the H170 and Hardkote-anodized aluminum 2-1/4 inch (57mm) ratchet sheaves on the H193, both with free-rolling carbon-black filled ball bearings for a minimum of friction. 

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H170 Hexa-Cat/150 Cam-Matic 3 76 7-1/4 184 16.5 468 7/16 12 1/4 6 - - 3000 1361
H193 Little Hexa-Cat/150 Cam-Matic 2-1/4 57 5-3/4 146 12 340 3/8 10 1/4 6 - - 2500 1134


H170 Hexa-Cat Base w/Ratchet&Cam Price: $230.56 H193 Little Hex-Cat Base w/Rat&Cam Price: $186.30


Harken Low Profile Triples

Harken Low Profile Triples

Low-Profile Triple ratchet systems are used on catamarans that carry booms close to the deck and for mainsheet and vang systems on offshore boats.

Ratchets grip loaded sheets, yet allow line to be eased with complete control. They feature Hardkote-anodized, Teflon-impregnated eight sided sheaves machined from solid aluminum for strength and corrosion resistance, and free-rolling Delrin ball bearings. The sheave and sideplates are UV-stabilized for maximum protection and high-strength stainless steel straps reinforce the blocks.

The H152 is being phased out but is available by special order to replace parts in existing systems. Please consider switching to Carbo blocks for new systems.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength Use with
in mm in mm oz g in mm in mm lbs kg lbs kg
H064 Fiddle/ratchet/150 Cam-Matic 3/1-3/4 76/44 7-1/4 184 33 936 3/8 10 1/4 6 750 340 2500 1134 H076@ 7:1
H152 LD/swivel/ratchet/150 Cam-Matic 3 76 5-1/4 133 25 709 7/16 12 1/4 6 750 340 2000 907 H004@5:1 or H153@6:l
H153 LD/swivel 2-1/4 57 4-1/2 114 10 284 7/16 12 1/4 6 750 340 2000 907 H152@6:1
H194 LD/swivel/ratchet/150 Cam-Matic 2-1/4 57 4-1/2 114 18 510 7/16 12 1/4 6 500 227 2000 907 H004@5:1 or H048@6:l
H196 Ratchet/150 Cam-Matic/becket 2-1/4 57 6-1/4 159 21 595 3/8 10 1/4 6 1000 454 3000 1361 H048@6:l
H411 Ratchet/swivel/150 Cam-Matic 3 76 5-1/2 138 28.5 808 7/16 12 1/4 6 1500 680 3000 1361 H2663@6:1

LD - Light-Duty

H153 Low Pro Triple w/Swivel Price: $143.80 H196 Low Pro Triple w/Rat&Cam&Bec Price: $238.09
H411 Low Pro Triple w/Rat&Cam&Swvl Price: $305.80

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