transmission belts rubber timing belt,Arc tooth timing belt Detailed Product Description 1) Material: CR rubber, fiber-glass, nylon cloth. 2) belts are strong, and resistant to oil, heat, and aging. 3) type: 2M, 3M, 5M, 8M, 14M, 20M, STPD-2M, STPD-3M, STPD-4.5M, STPD-5M, STPD-8M, and STPD-14M. 4) the Max. width: 450mm