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Harken 57mm Low Load Block (Replaces 1950)
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Harken

Harken 57mm Low Load Block (Replaces 1950)

Code: HAR3226
Price: $149.99

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Black Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting.
Low-load blocks have red isolators. They use Torlon® rollers and 316 stainless steel shackles. Standard blocks have 17-4 PH stainless headposts.
Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.




Tech Specs
Imperial Metric
Sheave Ø 2 1/4 in 57 mm
Length 4 11/16 in 119 mm
Weight 5.44 oz 154 g
Shackle pin Ø 1/4 in 6 mm
Maximum line Ø 7/16 in 12 mm
Maximum working load 1655 lb 750 kg
Breaking load 3310 lb 1500 kg




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