Carbo pulley 57 mm double with swivel and ringot. Carbo airblocks® pulleys are 60% more resistant and 30% lighter than our conventional pulleys. Tylon-dual composite composite cheeks are reinforced by long glass fibers allowing the realization of 'A compact pulley with high resistance/weight ratio. The ball bearings, the REAS and the cheeks are treated black carbon for UV resistance. The pulleys are equipped with Cam-Lock or U-Lock locking systems to lock the Manila in parallel or perpendicular to the rea or let it be freely pivoted To avoid the twisting of rope. The High Resistance Carbo 57 mm range has a wide range of applications. Usable for listening to great veils and focus on drifts and kips such as Lightning, Dragon, Soling, D/24 and for Listening Hallows on Catamarans. Focus Adjustment End of Listening of Glot Supplies adjustment bumps Cunninghams Hale-be-to-be Cunninghams: Ø of reed: 57 mmlonger: 121 mmpoids with manbe: 178 grø of the manillon:-mm Ø max of the rope: 10 mm Work load Max: 720 kg Breaking load: 1500 kg Technical files for Harken Double Pulley 57mm Carbo2603 to download here