we have three kind shapes of holders This holders quality in line with European standards.Our tenet is competitive price,top quality,timely delivery and overall services.we product various of tire valves,tyre valves,auto tire valves,and tubeless tire valves.The following are our main valves: TR412,TR413,TR414,TR415,TR418,TR414L,TR423,TR425,TR438 TR412C,TR413C,TR414C,TR418C TR412AC,TR413AC,TR414AC ...