Bando TL18H150 3 inch pitch diameter 2.811 inch outside diameter Timing Belt Pulley with 18 teeth Bando Synchro-Link Timing Belt Pulleys are manufactured to exacting tolerances to assure total drive system compatibility. They are available in a complete range of sizes, types, configurations and materials to contribute to the efficiency, economy and performance of your drive.. For optimum performance, combine Bando Synchro-Link timing belts and timing belt bushings/pulleys.