The OPTIBELT OMEGA series timing belt is designed with fiberglass cords that efficiently transmit more power where you need it. The cords are counter-wound for smooth, non-biased running. The durable rubber-impregnated polyamide fabric increases durability and oil resistance is bonded to the engineered natural & synthetic rubber core.     OMEGA tooth design and fabric cover for quieter operation OMEGA tooth design and fabric cover for quieter operation Counter-rotated cords ensure the belt does not have a pull bias Meet ISO 9563 anti-static requirements Aramid fibers are blended into the r