For leading lines; Minimal overall length; Efficient bearings surface reduces winch effort and increases halyard life; Integral end fairings for safe side loading; Asymmetric version reduces deck footprint and saves weight; Can 'stack' for limited deck area or adding extra capacity; Vari-camber feature: Designed to follow the curve of the deck when fitted; Sheave diameter/type: 38mm (1 1/2") composite; SWL per sheave: 600kg (1320lbs); Fasteners: 2 x M6 (1/4") CSK (not supplied); Total SWL per unit: No of sheaves x 300kg (660lbs); Line Diameter: Up to 12mm (1/2"); Symmetric; Number of sheaves: 2; Weight: 115g (4.0oz) for 2 sheave organiser