Harken 75mm Black Magic Block - Stand-Up

Sheave: 75 mm (2 15/16 in)
Length: 151 mm (5 15/16 in)
Weight: 442 g (15.6 oz)
Maximum Line: 14 mm (9/16 in)
Maximum Working Load: 2268 kg (5000 lb)
Breaking Load: 4536 Kg (10000 lb)
A: 75 mm (2 15/16 in)
B: 72 mm (2 13/16 in)
C: 43 mm (1 11/16 in)

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.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

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

Footnote: Uses hole spacing and base dimensions of 627 padeye. Maximum working load decreases at varying angles.