TRUCK TIRE VALVE IS MADE OF BRASS LOCK CAP AND C CAP,WISHES. we are specialized in production of Truck tire valves,Tubless tire valve,valve tools,tire repair tools . IN 2010, our factory winned ISO/TS 16949:2002. and accessories,passedITEM NOABarim holeTR618A32 15.9TR621A3955.56515.9