... , S5M, S8M, S14M, S20M, RPP3M, RPP5M, RPP8M, RPP14M & Double Sided 2. Poly V Belts(Ribbed Belts) PH, PJ, PK, PL 3 ... ) Round Belts & V BeltsColor: orange or green Round belts: Dia. 2-20mm, rough & smooth surfaceV belts: Z, A, B, C, D ... ; With reinforced cord, green grip top6.Pulleysaluminium timing belt pulley,plastic pulleyDetails: Certificate:SGS-ROHS Environmental System Certification and ISO9001:2000 ...