... Tire valve:brass & natural rubber,EPDM CE:ISO/TS16949,TUV, ISO9001 ITEM NO.:TR525MS TR43E,TR48E,TR33E Feature of tire ... Material :brass, natural rubber, EPDM,9002 core,cap3.CE: ISO/TS16949:2002 &TUV & ISO9001:2000quality system certification4 ... V3.20.126) All auto repair tools5.The tire valves can be quikly mounted to the rim ... when it is bent for air service or tire pressure check.6.payment term:T/T 30% ...