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Black Magic Air blocks are a top favorite among Big Boat performance racers and cruisers. These lightweight, free-running, and powerful performers are ideal for sail controls that experience high levels of action.
Hard Lube-Anodized: Sideplates and sheaves are treated for maximum UV protection and a smooth surface.
Center Cage: Keeps Torlon roller bearings separated and parallel to reduce friction.
Specifications
• Brand: Harken
• Reference: HBB254
• Sheave Ø: 75 mm
• Length: 165 mm
• Maximum line Ø: 14 mm
• Maximum working load: 3400 kg
