Harken is closed November 26-29. Orders received during this time will be processed Monday November 30.
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.
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.
Address InformationTel: 262.691.3320 | Fax: 262.701.5780 Email: email@example.com Technical Service: firstname.lastname@example.orgSee our other locations