1.long service life, bearing wear and tear, resistant to oil, ... 2.good anti-cracking performance, small extending rate Supply Type:1).MXL. XL. L. H. XH. XXH.2).T2.5. T5 ... . P4with PAZ, coating rubber, super grip, steel reinforced etc.Detail:1) material: polyurethane, nylon, steel, or kevlar cord2) Max. width: 150mm3 ... machine tools and instruments. PU variou open type timing belt STD, T, AT, H, L,HTD