ITEM NAME:190mm/7.48" Universal Car Truck Flexible Rubber Tyre Tire Valve Stem Extension Product Description Description: Specifications: Material: brass + rubber Color: Black Applicable models: universal Product length: 190mm/7.48" Product width: 10mm/0.39" Gross Weight: 38g User method: One end can be connected on valve stem and the other end can be used as replacement of the original valve stem. Just connect the tire valve stem with air pump, easy to use. Included: 1 x Tire Valve Stem Extension.Included: 1 x Tire Valve Stem Extension. Just connect the tire valve stem with air pump, easy to use. Applicable models: universal. Material: brass + rubber. If item is defective after 3 months, you can still send it back to us.