APS - Harken ESP Blocks
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Harken ESP Singles and Fiddles

Harken ESP Singles and Fiddles

ESP stands for Elegant Simple Products and as a line they complement other Harken blocks in looks and function but are simpler in design and construction. Sheaves feature axle bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats. Available in many different configurations, ESP blocks can serve whatever function is needed on your cruising boat.

Part No. Description Sheave Dia. Length Weight Shackle Dia Max Line SWL Break Strength
in mm in mm oz g in mm in mm lbs kg lbs kg
H6059 57mm Single w/ Swivel 2-1/4 57 5-1/2 140 7.7 218 5/16 8 5/8 16 2500 1135 5000 2272
H6094 57mm Single w/ Swivel & Becket 2-1/4 57 6-11/16 170 9 255 5/16 8 5/8 16 2500 1135 5000 2272
H6058 75mm Single w/ Swivel 3 75 6-1/4 159 12 340 5/16 8 3/4 19 3500 1587 7000 3175
H6084 75mm Single w/ Swivel & Becket 3 75 7-1/4 184 13 369 5/16 8 3/4 19 3500 1587 7000 3175
H6085 75mm Fiddle 3/1-13/16 75/46 8-3/8 213 14.7 415 5/16 8 3/4 19 3500 1587 7000 3175
H6086 75mm Fiddle w/ Becket 3/1-13/16 75/46 9-1/2 241 15.6 444 5/16 8 3/4 19 3500 1587 7000 3175
H6099 75mm Fiddle w/ 280 Cam-Matic 3/1-13/16 75/46 9-1/2 241 25.2 715 5/16 8 3/4 19 2000 907 4000 1814
H6100 100mm Single w/ Swivel 4 100 8-1/8 206 28.5 808 3/8 10 3/4 19 4870 2209 9740 4418


H6058 75mm ESP Single, Swivel Price: $99.35 H6059 57mm ESP Single, Swivel Price: $87.21
H6084 75mm ESP Single, Swivel, Becket Price: $129.36 H6085 75mm ESP Fiddle Price: $177.01
H6086 75mm ESP Fiddle, Becket Price: $223.65 H6094 57mm ESP Single, Swivel, Becket Price: $108.99
H6099 75mm ESP Fiddle, Becket, Cam Price: $347.51 H6100 100mm ESP Single Swivel Price: $224.31


Harken ESP Footblocks

Harken ESP Footblocks

ESP stands for Elegant Simple Products and as a line they complement other Harken blocks in looks and function but are simpler in design and construction. Sheaves feature axle bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.

ESP Footblocks are used for reef lines and genoa sheets where the angle is not extreme. They can be stacked, but the upper block will have a Safe Working Load and Breaking Strength of 2/3 of a single by itself. Lockoffs are intended to hold lines temporarily and should not be used in place of line stoppers or clutches.

Part # Description Sheave Dia. Length Weight Max Line Dia. Safe Working Load Breaking Strength Max Lockoff Load Fasteners (FH) Hole Spacing
in mm in mm oz g in mm lb kg lb kg lb kg in mm in mm
Height Base Height Base
H6091 Footblock 2/14 57 3 7/8 99 5.4 153 5/8 16 2500 1135 5000 2272 - - 3x 5/16 3x 8 2 5/32 
1 1/8  55  28 
H6092 Footblock 3 75 4 3/8 112 10.3 293 3/4 19 3500 1587 7000 3175 - - 3x 5/16 3x 8 2 13/32 1 3/16 61 30
H6093 Footblock 4 100 5 11/16 144 22.6 642 3/4 19 7500 3402 15000 6804 - - 3x 1/2 3x 12 3 1/32  1 3/8  77  34
H6077 Footblock, Lockoff 2/14 57 3 7/8 99 8 226 5/8 16 2500 1135 5000 2272 1200 550 3x 5/16 3x 8 2 5/32  1 1/8 55  28
H6092 Footblock, Lockoff 3 75 4 3/8 112 12 340 3/4 19 3500 1587 7000 3175 1200 550 3x 5/16 3x 8 2 13/32  1 3/16 61 30


H6077 57mm ESP Single Footblock, Lockoff Price: $129.36 H6078 75mm ESP Single Footblock, Lockoff Price: $160.64
H6091 57mm ESP Footblock Price: $92.09 H6092 75mm ESP Footlock Price: $119.59
H6093 100mm ESP Footlock Price: $202.84


Harken ESP Mastcollar Blocks

Harken ESP Mastcollar Blocks

Harken ESP (Elegant Simple Products) blocks are designed for cruising applications. As a line they complement other Harken blocks in looks and function but are simpler in design and construction, making them ideal for cruising applications. Sheaves feature axle bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.

Mast collar blocks come in many different variations, depending on application. The teardrop-shaped Mastblocks are for direct attachment to padeyes or mast collar posts to keep lines extremely close to the deck. The Padeye teardrop blocks are specifically designed to mount to padeyes and have hourglass-shaped head spacers to seat on the padeye bail. The 57mm and 75mm mast collar blocks are for use on production boats with mounting posts on the mast collar.

Part # Description Sheave
Diameter
Clevis Pin
Diameter
Length Max Line
Diameter
Safe Working Load Breaking Strength Weight
in mm in mm in mm in mm lb kg lb kg oz g
H6050 57mm Mastcollar Block 2 1/4 57 5/16 8 3 11/16 93.5 5/8 16 2,100 850 4,190 1,900 4.3 122
H6056 75mm Mastcollar Block 3 75 5/16 8 4 5/8 117 3/4 19 3,000 1,361 6,000 2,721 7.8 221
H6095 Tear Drop Mastcollar Block, Low-Load 2 1/4 57 (~1/4) 6 4 5/8 117 5/8 16 1,650 750 3,300 1,500 4 113
H6096 Tear Drop Mastcollar Block, Narrow 2 1/4 57 (~1/4) 6 3 1/2 89 3/8 10 1,650 748 3,300 1,497 3.3 94
H6097 57mm Mastcollar Block, Narrow 2 1/4 57 5/16 8 3 1/2 89 3/8 10 1,650 748 3,300 1497 3.5 99
H6098 75mm Mastcollar Block, Narrow 3 75 5/16 8 4 7/16 113 1/2 12 2,500 1,134 5,000 2,268 6.4 181
H6065 57mm Padeye Block 2 1/4 57 5/16 8 3 11/16 93.5 5/8 16 2,100 850 4,190 1,900 4.5 128
H6057 75mm Padeye Block 3 75 3/8 10 4 11/16 119 3/4 19 3,500 1,587 7,000 3,175 8.4 238


H6050 57mm ESP Mastcollar Block Price: $58.34 H6056 75mm ESP Mastcollar Block Price: $84.04
H6057 75mm ESP Padeye Block Price: $100.14 H6065 57mm ESP Padeye Block Price: $69.48
H6095 57mm Tear Drop Mastcollar Block, Low-Load Price: $57.68 H6096 57mm ESP Tear Drop Mastcollar Block, Narrow Price: $55.70
H6097 57mm ESP Mastcollar Block, Narrow Price: $56.10 H6098 75mm ESP Mastcollar Block, Narrow Price: $81.53

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