about this item ? 40x Tr413 rubber valve snap lock (long).High quality inner core design, longer and thicker valve core, good air tightness, durability ? VALVE CAP + VALVE INSERT: The height of the valve is without cap 42.5mm diameter 11.3mm. Since the car valve is already partially assembled, handling is extremely easy. Including black valve cap and valve attachment. ? The valve cap is machined and shaped by automatic lathe, then subjected to surface treatment which can effectively protect the valve from water, dust and aging. The special fusion process of natural rubber and the nozzle rod is used, which is resistant to sunlight, not easy to aging, has a longer service life, has a better valve core and is to both aesthetic and practical. ? These are good quality and have been pressure tested. Product Description Features: Suitable for all cars, motorcycles and . /> Used for wheels of cars, bicycles, motorcycles and scooters, can replace new valves High quality valve, can withstand higher pressure The valve has been partially assembled, the operation is simple, you can easily replace the valve Specifications: Total length: 45 mm Base length: 19 mm Packaging: 40 pieces The package includes: 40 x rubber valve TR413 ? how often should the rubber valves be changed? For a safe driving experience, we recommend that you check and change the rubber valves each time you change tires. ? Car rubber valves can be damaged by various external influences. This can lead to a potential loss of pressure in the tire valves, which poses a high safety risk. ?In addition, heavy use also reduces the life of the valves made of rubber. Therefore, it is recommended to use the rubber vent About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.