Rainbow Precision Products provides a complete range of power transmission & material handling equipment. We are an authorized Goodyear Engineered Products distributor. Check our inventory of conveyor belts, bronze bushings, chains, sprockets, QD and more.For more details visit us @ https://www.rainbowprecisionproducts.com/ Goodyear Hawk Pd® 14M Timing Pulleys All parts are completely machined in cast iron; some parts made from steel, Positive, non-slip drive,  No lubrication necessary, non-stretch, Smooth operation: no chain drive that results in vibration and speed variation,  Clean operation, long-life expectancy, low maintenance,Quiet; no metal-to-metal contact.