Sprocket, Bore Diameter 1 in, For Chain Pitch 3/8 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 in, Number of Teeth 16, Outside Diameter 2.11 in, Pitch Diameter 1.922 in, Bore Type Fixed, Chain Number 35, Finish Black Oxide, Hub Diameter 1 1/2 in, Hub Projection 0.582 in, Includes Set Screws, Keyway Yes, Keyway Depth 1/8 in, Keyway Width 1/4 in, Length through Bore 3/4 in, Number of Set Screws 2