Sprocket For Bushing Size 1008 For Bushing Type Taper Lock For Chain Pitch 5/8 in Material Steel Number of Teeth 13 Outside Diameter 2.911 in Pitch Diameter 2.612 in Chain Number 50 For Number of Strands Single Maximum Bore Diameter 1 in Finish Black Oxide For Pitch Type Single Pitch Hub Diameter 1 15/16 in Hub Projection 0.532 in Hub Type One Side Length through Bore 7/8 in Material Grade 1045 Minimum Bore Diameter 1/2 in Resistance Properties Corrosion Resistant