1.Rubber Valve Extension 2. Any length as ordered 3. Hose dia(mm):12 or10 4. Good quality rubber hose,anti-aging, anti-crack 1. rubber flexible valves extension.2. length(mm): 75,105,125,140,160, 180,,210 and more3. metal brass extension, plastic valve extensions,4. stainless steel braided flexible extension are available. Rubber Flexible Tire Valve Extension,valve accessory