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||2 1/4 in||57 mm|
|Length||4 1/2 in||114 mm|
|Weight||7.04 oz||200 g|
|Maximum line Ø||7/16 in||12 mm|
|Maximum working load||2500 lb||1134 kg|
|Breaking load||5000 lb||2268 kg|
|Fasteners||1/4 in||6 mm|
|Fastener circle||1 15/32 in||37 mm|
|A||2 7/32 in||57 mm|
|B||2 3/16 in||56 mm|
|C||1 1/4 in||32 mm|