Gearbelt Pulley, Bore Diameter 3/16 in, For Belt Series XL, For Belt Width 3/8 in, For Use With XL Timing Belt, Material Aluminum, Maximum Bore Diameter 1/4 in, Number of Teeth 10, Outside Diameter 0.875 in, Pitch 0.2 in, Pitch Diameter 0.637 in, Bore Type Plain, Face Diameter 7/16 in, Face Width 0.563 in, Finish Aluminum Clear Anodized, For Belt Trade Size XL, For Maximum Horsepower 1/4 hp, Hub Diameter 7/16 in, Hub Projection 1/4 in, Hub Type One Side, Includes Set Screw, Keyway No