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Harken
Harken 57mm Black Magic Block - Single / Swivel

Harken 57mm Black Magic Block - Single / Swivel

Our Part #: HAR3215 | Mfr. Part #: 3215
$173.70 (was: $219.45)
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Sheave: 57 mm (2 1/4 in)
Length: 119 mm (4 11/16 in)
Weight: 152 g (5.36 oz)
Shackle Pin: 6 mm (1/4 in)
Maximum Line: 12 mm (7/16 in)
Maximum Working Load: 1134 kg (2500 lb)
Breaking Load: 2268 Kg (5000 lb)

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.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.