1)PU reinforced with steel wire Rubber reinforced with glass fiber 2)T2.5 ... Normal Width: 6,8,10,12,15,16,20,30,32,40,50,55,75,85,100(mm ... )material:rubber(reinforced by glass fiber) or PU(reinforced by steel ... interest in our prodcts, you can contact with us as follow:CONTACT PERSON:Doris ChingTEL:+86 ... , please tell me directly. Timing belt-5M-PU reinforced with steel wire