100 mm Black Magic® AirBlocks® are used on offshore boats where weight and performance are critical. They feature free-rolling, largediameter aluminum sheaves with Torlon® roller bearings housed in a unique center cage. UV-resistant, carbon-black Delrin® balls carry sideloads. Corrosion is minimized by isolating dissimilar metals.
Blocks are Hardkote-anodized and have 17-4 PH stainless headposts and shackles. Easily disassembled.
Sheets, Halyards, Running backstays and Control lines.
Part Number: 3247