Harken 40mm Carbo Single Fixed Block [2650] Brand_Maretron Ronstan Ratchet Orbit Blocks™ have

Ronstan Ratchet Orbit Blocks™ have the highest holding power available

9 Ventilation vents

A development of our tried and tested Puppy Pumps lets these specialist craft rapidly take on and dump ballast

2 Screw Position

9 meters (26 feet) in length

Harken 40mm Carbo Single Fixed Block [2650] Brand_Maretron Ronstan Ratchet Orbit Blocks™ have40mm Carbo Single Fixed Block 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