Features - Traveller control ends have high load, low maintenance Acetal sheaves, and are suited for mainsheet systems on boats to 17m (56ft). - Control line sheaves are 50mm (2) diameter and suit up to 8mm (5/16) rope. - Cleat supports can be adjusted to the optimum cleating angle. - Control ends can also be used to create purchase systems for genoa lead adjustment under load. - Adjustable stops can be fitted on track aft of genoa cars and used to relieve load on adjustment tackle.