Tritan D60BS13H X 1 1/2

Roller Chain Sprocket, Bore Diameter 1 1/2 in, For Chain Pitch 3/4 in, For Number of Strands Double, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 1/2 in, Number of Teeth 13, Outside Diameter 3.49 in, Pitch Diameter 3.134 in, Bore Type Fixed, Chain Number 60-2, Finish Black Oxide, Hub Diameter 2 1/4 in, Hub Projection 0.784 in, Includes Set Screws, Keyway Yes, Keyway Width 3/8 in, Length through Bore 2 1/8 in