Our product:Long provider life, excessive energy and toughness, capable of working for long periods of timeLow elongation and higher put on resistanceWith a tender body and a better fit to the wheel groove, it has quite a lot of applicationsProduct number of nice uncooked materials, removal of defective products, oil and warmth resistance, anti-static, and superb transmission performanceProduct code description:La=outer circumference Lp, Le=nodal size Li=inner circumference