V3-20 series Bus Truck Tire Air Valve clamp-in metric rim hole Tyre Changer The snap-in type can be quickly mounted to the rim. It is flexible in nature so it may provide complete air-seal ven when it is bent for air service or tire pressure check. Made with 100% natural rubber compound to resist to zone damage and prevent premature eterioration caused by rim hole compression, heat, cole maximum inflation is 420k Pa(60P.s.I) 1)All the products of stem are painted with chemlok. 2)Tensile force > 650N 3)Cold, heat and ozone resistant 4)Our products are 100% leak tested. 100% LEAKING TESTED ALL PAINTED WITH CHEMLOK BOTTOM LETTERING Company Information 1) We are manufacturer of making brass tire valve for 13 years 2) Quality control--our defectie products rate is 0.01% 3) Economically priced, exquisitely made. Experienced & responsible QC that you can rely on 4) Adequate supply capacity,Punctual delivery time 5) Best after sales service are provided Our Services We promise if any quality problem with our products, we will compensate