Runners® are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Black Magic® Air Runners® are strong, lightweight blocks with extremely free-rolling sheaves. Blocks feature Torlon® roller bearings in a center cage for strength. Heads are offered with parallel/perpendicular shackles. Tangs attach turnbuckles, toggles, and other fittings. No tools required for installation. Torlon® is a registered trademark of Solvay Advanced Polymers.
DO NOT use Harken Equipment for Human suspension.
