1.long service life, bearing ... anti-cracking performance, small extending rate Supply Type:1).MXL. XL. L. H. XH. XXH ... .2).T2.5. T5. T10. T20.3).AT5. AT10. AT20.4).HTD3M. 5M. 8M. 14M ... , coating rubber, super grip, steel reinforced etc.Detail:1) material: polyurethane, nylon, steel, or kevlar cord2) ... various precision machine tools and instruments. PU Timing belt with red rubber super grip, T5/T10/ ...