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Harken  |  SKU: HAR3229  |  Manuf. Code: 3229

Harken Block - Black Magic 57mm Single - Swivel / Becket (Low-Load)

$249.95 USD $312.44

Description

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.

Our Part # HAR3229 | Harken Part # 3229

Technical Information


DescriptionImperialMetric
Sheave 2 1/4 in.57.00 mm.
Length5 1/2 in.140.00 mm.
Weight5.95 oz.169.00 g.
Maximum line 7/16 in.12.00 mm.
Maximum working load1655.00 lb.750.00 kg.
Breaking load3300.00 lb.1500.00 kg.
Shackle pin 1/4 in.6.00 mm.