Sprocket For Bushing Size 1008 For Bushing Type Taper Lock For Chain Pitch 1/2 in Material Steel Number of Teeth 15 Outside Diameter 2.652 in Pitch Diameter 2.405 in Chain Number 40 For Number of Strands Single Maximum Bore Diameter 1 in Finish Black Oxide For Pitch Type Single Pitch Hub Diameter 1 13/16 in Hub Projection 0.591 in Hub Type One Side Length through Bore 7/8 in Material Grade 1045 Minimum Bore Diameter 1/2 in Resistance Properties Corrosion Resistant