Sprocket, Bore Diameter 5/8 in, For Chain Pitch 3/8 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 5/8 in, Number of Teeth 10, Outside Diameter 1.38 in, Pitch Diameter 1.214 in, Bore Type Fixed, Chain Number 35, Finish Black Oxide, Hub Diameter 1 in, Hub Projection 0.582 in, Includes Set Screws, Keyway Yes, Keyway Depth 3/32 in, Keyway Width 3/16 in, Length through Bore 3/8 in, Number of Set Screws 2