1.long service life, bearing wear and tear, resistant to oil, heat 2.good 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. 20M.5).STD2M. 5M. 8M.6).S3M. S5M. S8M. S14M.7).RPP5M. RPP8M. RPP14M.8).P1. P2. P4with PAZ, coating rubber, super grip, steel reinforced etc.Detail:1) material: polyurethane, ...