It is preferred in applications that require low and medium performance. It is economic products that are often used in automotive and industrial enterprises. Classic MXL, XL, L, H, XH, XXH belts provide high precision and synchronousizosiya in trapezoidal tooth shape, industrial machinery, power transmission in DXL, DL, DH belts. 2M, 3M, 4.5 M, 5M, 8M, 14M belts and s3m, S5M, S8M, S14M belts with different tooth structure, all of these belts have rack (automatic door) specially reinforced ROO Silver, Gold and Omge HP types.