RATCHET Carbo Pulley 57 mm Violin with Emellon and Ringot. The Carbo Airblocks® pulleys are 60% more resistant and 30% lighter than our conventional pulleys. - RATCHET Carbo Pulley 57 mm Violin with Emellon and Ringot. The Carbo Airblocks® pulleys are 60% more resistant and 30% lighter than our conventional pulleys. The resin-tnylon composite cheeks are reinforced by long glass fibers allowing the realization of a compact pulley with a resistance/weight ratio pupil. 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 rope torsions. The Carbo range 57 mm high resistance benefits from 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 Great Drows Adjustment Boss of Retirement Palans Cunninghams Hale Be-Buyerism: Ø of reed: 57 mmlonger: 143 mmpoids with manbe: 121 grø of the manillon: 5 mm Ø max of the rope: 10 mm Work load Max: 359 kg Strupture load: 1079 kg