Tire Valves for truck/tire vale/truck tire valves 1) Suitable for agricultural and off road use 2) Types: TR618A, TR621A Features of Tire Valves for truck tire vale/truck valves1) Suitable for agricultural and off road use2) Types: TR618A, TR621A, TRJ6503) our factory has passed ISO/TS 16949:2002MATERIALS:COPPER ,RUBBER item noABarim holeTR 618A3255.56515.9TR621A3955.56515.9TR622A44.5959015.9