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 35, Outside Diameter 4.39 in, Pitch Diameter 4.183 in, Bore Type Fixed, Chain Number 35, Finish Black Oxide, Hub Diameter 2 1/4 in, Hub Projection 0.832 in, Includes Set Screws, Keyway Yes, Keyway Depth 3/32 in, Keyway Width 3/16 in, Length through Bore 1 in, Number of Set Screws 2