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Black Magic Air Runners

Black Magic Air Runners

Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines. Foam padded Block Socks easily install over Air Runner blocks to protect your blocks, deck, and crew.


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Features 181
Low-friction efficiency

Center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Captive Delrin® ball bearings carry side loads.

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Harken US Offices will be closed Thursday November 24th & Friday November 25th. Any orders placed after 12pm CST Wednesday November 23rd will be processed upon re-opening on Monday November 28th.