Harken 57 mm Black Magic® High-load Doubl footblock Cat. No. HAR 3222 Weight 1 lbs

$276.43

1964 57 mm High-load Double Foot Block 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. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Use for: Genoas Spinnakers Description Double hi-load Sheave dia. (in) 2 1/4 Length (in) 3 5/16 Height (in) 1 13/16 Weight (oz) 6.9 Line dia. - max. (in) 7/16 SWL (lb) 1650 Breaking strength (lb) 3300 Fasteners (FH) (in) 4 x 1/4 A (in) 3/8 B (in) 15/16 C (in) 2 1/16 D (in) 5/8 E (in) 2 3/8 F (in) 3 5/16 G (in) 1/2