Harken 57mm Becket Swivel Triple Block w/Cam Cleat INSULATORS this is the only cylinder

this is the only cylinder to be engineered with an internal bladder incased in fiberglass

Item# 1010

SWL (lb) 500

SP-5C GlobeMaster Compass Features: 5" PowerDamp Flat Dial

Harken 57mm Becket Swivel Triple Block w/Cam Cleat INSULATORS this is the only cylinderLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications Footnote: Maximum working loads and breaking loads for blocks based on cam strengths. Sheave (mm): 57 mm Sheave (in): 2 1 4 in Length (mm): 142 mm Length (in): 5 5 8 in Weight (g): 442 g Weight (oz): 15. 6 oz Shackle pin