Harken 3017 125 mm Black Magic Foot BlockHAR3017
Black Magic FootBlocks carry some of the highest loads imposed by running rigging. The Torlon rollers on these lightweight, free-running blocks are housed in a center cage, with no contact between bearings. UV-resistant, carbon-black Delrin balls handle sideloads. Full-saturation Hardkote anodizing. No stainless-to-aluminum contact prevents corrosion.