APS - Harken Midrange Blocks
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Harken Midrange Blocks

Harken Midrange Blocks

Midrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats.

Free-rolling Delrin® ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection. A stainless steel sidestrap wraps across the block head for increased strength and safety.

The wide-diameter 3.00 in (76 mm) ball bearing sheave accepts 9/16 in (14 mm) line. High-load Midrange blocks use Torlon® ball bearings.


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
H1540 Single 3 76 6-1/8 156 13 367 9/16 14 5/16 8 1800 816 5000 2268
H1541 Single/becket 3 76 7-1/8 184 14 397 9/16 14 5/16 8 1800 816 5000 2268
H1542 Single/aluminum sheave 3 76 6-1/8 156 15 425 9/16 14 5/16 8 1800 816 5000 2268
H1544 Double 3 76 7-1/2 191 25-1/2 723 9/16 14 5/16 8 2800 1270 7000 3175
H1545 Double/becket 3 76 8-1/2 216 26-1/2 751 9/16 14 5/16 8 2800 1270 7000 3175
H1546 Triple 3 76 7-3/4 197 36 1020 9/16 14 5/16 8 3800 1724 8500 3856
H1548 Cheek* 3 76 4-3/8 111 11 312 9/16 14 - - 1500 680 4200 1905
H1586 Single/high-load 3 76 6-1/8 156 13 367 9/16 14 5/16 8 2300 1043 5000 2268
H1587 Single/high-load/becket 3 76 7-1/8 184 14 397 9/16 14 5/16 8 2300 1043 5000 2268
H1588 Single/high-load/aluminum sheave 3 76 6-1/8 156 15 425 9/16 14 5/16 8 2300 1043 5000 2268

* 1/4" (6mm) RH fasteners

H1540 MR Single Price: $99.35 H1541 MR Single w/Bec Price: $111.45
H1542 MR Single w/Alum Sheave Price: $132.92 H1544 MR Double Price: $189.55
H1545 MR Double w/Bec Price: $204.64 H1546 MR Triple Price: $311.70
H1548 MR Cheek Price: $73.35 H1586 MR Hi-Load Single Price: $132.92
H1588 MR Hi-Load Single w/Alum Sheav Price: $179.78


Harken Midrange Hexaratchets

Harken Midrange Hexaratchets

Harken Midrange Hexaratchets' robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Midrange Hexaratchets® grip loaded sheets, yet allow line to be eased with complete control. Free-rolling Delrin® ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection. Fast trim and release under high or low loads.

Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength Turns
in mm in mm oz g in mm in mm lbs kg lbs kg
H1549 Single 3 76 6-1/8 156 13 367 9/16 14 5/16 8 1800 816 5000 2268 Clockwise
H1550 Single/becket 3 76 7-1/8 184 14 397 9/16 14 5/16 8 1800 816 5000 2268 Clockwise
H1555 Triple/280 Cam-Matic 3 76 7-3/4 197 49 1389 9/16 14 5/16 8 3800 1724 8500 3856 Clockwise
H1556 Triple/280 Cam-Matic/becket 3 76 8-3/4 222 51 1446 9/16 14 5/16 8 3800 1724 8500 3856 Clockwise
H1571 Single 3 76 6-1/8 156 13 367 9/16 14 5/16 8 1800 816 5000 2268 Counterclockwise
H1572 Single/becket 3 76 6-1/8 156 13 367 9/16 14 5/16 8 1800 816 5000 2268 Counterclockwise


H1549 MR Hex. Single CW Price: $165.97 H1550 MR Hex. Single w/Bec CW Price: $174.42
H1555 MR Triple w/Ratchet&Cam CW Price: $504.28 H1556 MR Triple w/Rat&Cam&Bec CW Price: $511.90
H1571 MR Hex. Single CCW Price: $165.97


Harken Midrange Fiddles

Harken Midrange Fiddles

Low-friction Fiddle blocks build three- and four-part purchases. They come in a variety of configurations including Fiddles with Hexaratchets® and Cam-Matic® cleats on adjustable arms. Fast trim and release under high or low loads.

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. Free-rolling Delrin®ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection. High strength stainless steel straps reinforce blocks.

For easy removal, add a H111 snap shackle to the Little Fiddle and a H112 to the Fiddle.

Midrange Fiddles
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
H1559 Fiddle 3/2 76/51 8-1/2 216 17 482 9/16 14 5/16 8 1800 816 5000 2268 1541 for 3:1
H1560 Fiddle/becket 3/2 76/51 9-1/2 241 18 510 9/16 14 5/16 8 1800 816 5000 2268 1559 for 4:1
H1564 Fiddle/280 Cam-Matic/becket 3/2 76/51 9-1/2 241 24.5 695 9/16 14 5/16 8 3800 1724 8500 3856 1559 for 4:1


Midrange Hexaratchet Fiddles
Part No. Description Sheave Dia. Length Weight Max Line Shackle Dia. SWL Break Strength Turns
in mm in mm oz g in mm in mm lbs kg lbs kg
H1549 Fiddle/280 Cam-Matic 3/2 76/51 8-1/8 216 26.5 751 9/16 14 5/16 8 1800 816 5000 2268 Clockwise
H1550 Fiddle/280 Cam-Matic/becket 3/2 76/51 9-1/2 241 27.5 780 9/16 14 5/16 8 3800 1724 8500 3856 Clockwise


H1559 MR Fiddle Price: $137.54 H1560 MR Fiddle w/Bec Price: $146.48
H1564 MR Fiddle w/Cam & Bec Price: $279.62 H1565 MR Fiddle w/Ratchet & Cam Price: $325.64
H1566 MR Fiddle w/Rat&Cam&Bec Price: $334.00

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