A comprehensive range of plain and ball bearing sheaves is used throughout the complete Barton block range. Barton Plain Sheave 45 X 14 X 8 is moulded from acetal resin. Our unique, super-low friction ball race system features Delrin balls running on a large diameter centre boss, which ensures an extremely low friction performance.SpecificationsWeight: 15 gDimensions: 45 45 14 mmColour: Grey, WhiteSheave Size: 45mm x 14mm (1 3/4 x 35/64)Bore Diameter: 8mm