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Continue ShoppingHARKEN 75mm Aluminum Double Stand-Up Block, HBB254
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.
Sheave Ø (mm) | 75 mm |
Sheave Ø (in) | 3 in |
Length (mm) | 165 mm |
Length (in) | 6.5 in |
Maximum line Ø (mm) | 14 mm |
Maximum line Ø (in) | 9/16 in |
Maximum working load (kg) | 3400 kg |
Maximum working load (lb) | 7500 lb |
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