applicated to concrete vibrator;car;motocycle;garden machine and every kind of flexible transmission used equipment Structure:70-75# high carbon steel wireTwist up: left revoled.right revoledDiamete(mm):2,3.18,4,5,6,7,8,9,10,12,13,16,18,20Layer:3-7OUT dia:16mm-42mmInner dia:9mm-25mmTensile of rubber:>1000N/cm2Adhesive of inner rubber:50-60N/cm2Steel belt material:20-65MnSteel belt hardness:20-30 ...