Features: 1.Application: Truck tubeless tyre valve stem is suitable for 9.7mm/0.38in valve hole. Fit for vans, trucks, buses and special vehicles wheels. 2.Leak Free: The valve has a rubber gasket, a nut, a valve insert, a metal cap with a gasket, has excellent sealing performance to prevent leakage. 3.Main Purpose: The valve stem seals the wheel and maintains the air pressure inside the tire, preventing air from escaping the tire. 4.Metal Construction: Made of premium metal material, high strength and hardness, wearproof, sturdy and durable, has long service life. 5.Ideal Replacement Parts: The package includes 20pcs wheel valve stems, rofessional manufacturing, high performance, strong reliability. Specification: Item Type: Tubeless Tire Valve Stem_x000D_ Material: Metal_x000D_ Length: Approx. 44mm/1.73in_x000D_ Base Width: 16mm/0.63in_x000D_ Application: Fit for vans, trucks, buses and special vehicles wheels. Suitable for 9.7mm/0.38in valve hole