ITEM NAME:10x High Performance TR414 Valve Stems, Repair Accessory For Motorcycle -9mm Description: Type: TR414 Tire Valve Rim Hole Dia: approx 5mm Made of high quality rubber and Zinc,very durable. Scientific design, can very well to keep the pressure inside the tyre, prevent gas emission. Specification: Color:Black Material: Rubber + Copper Size: Approx 50*9mm Package Includes: 10 x Snap-In Tire Valve SKU: DMO0021869052001923.Type: TR414 Tire Valve. Size: Approx 50 9mm. 10 x Snap-In Tire Valve. Made of high quality rubber and Zinc,very durable. Scientific design, can very well to keep the pressure inside the tyre, prevent gas emission.