Description
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.
Specifications
- Sheave diameter: 2 1/4" (57 mm)
- Shackle pin diameter: 1/4" (6 mm)
- Maximum line diameter: 7/16" (12 mm)
- Maximum working load: 2500 lb (1134 kg)
- Breaking load: 5000 lb (2268 kg)
- Length: 4 11/16" (119 mm)
- Weight: 5.36 oz. (152 g)
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