tire valve chrome-sleeve snap-in valves accessories: 9002 core , plastic or copper stem and cap certification: tuv,ts16949 tire valve chrome-sleeve snap-in valvesMODEL NO: TR413C,TR414C,TR418C,TR415Cfor use up to 65psi/4.5bar cold inflation pressure maximum.quanlity certification:TUV,ISO9001,TS16949we can meet different customers requirments by providing kinds of materials.