Harken 40mm Carbo Block 90 Fixed Head [2659] Marine Navigation & Instruments | Network Cables & Modules Peak efficiency: 92%

Peak efficiency: 92%

NPT or BSPP Threaded Ports

Strap Hinge

They are constructed with premium vinyl insulation that is rated at 600V

A Velcro latch keeps pesky birds out

Harken 40mm Carbo Block 90 Fixed Head [2659] Marine Navigation & Instruments | Network Cables & Modules Peak efficiency: 92%40mm Carbo Block 90 Fixed Head Low 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. Features: Sheave (mm): 40 mm Sheave (in): 1 9 16 in Maximum line (mm): 10 mm Maximum line (in): 3 8 in Maximum working load (kg): 220 kg Maximum working load (lb): 485 lb