Register and take advantage of the discounts and advantages of being a Professional of Nautical
Join the more than 500 Nautical Professionals now
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: 3244
• Sheave Ø: 75 mm
• Length: 151 mm
• Weight: 442 g
• Maximum line Ø: 14 mm
• Maximum working load: 2268 kg
• Breaking load: 4536 kg
• Includes: Includes padeye. Uses hole spacing and base dimensions of 627 padeye. Maximum working load decreases at varying angles.






