ITEM NAME:4pcs TR438 Snap-in Rubber Tubeless Tire Car Wheel Tyre Valves with Dust Cap A#S Product Description Description: TR438 Snap-in Rubber Tubeless Tire Car Wheel Tyre Valves with Dust Caps Features: - Effectively prevent unsafe factors caused by car valve puncture; - Fastener design, easy to carry and use, easy to install; - Suitable for steel or alloy wheels on cars, trucks and motorcycles; Specifications: Material: rubber+ copper Colour: Black Type: TR438 Product size: 45 x 15mm/1.77 x 0.59" Quantity: 4pcs Installation steps: 1. Remove the valve core to deflate the tire; 2. Separate the toe of the tire and remove it from the rim; 3. Remove the valve and clean the holes and dirt on the rim; 4. Install a new valve from the inside of the rim; 5. Install the tire correctly and inflate to the rated air pressure; 6. Replace the valve cap with a new one. Included: 4 X TR438 Tubeless Tire Valves.Type: TR438. Included: 4 X TR438 Tubeless Tire Valves. Quantity: 4pcs. - Effectively prevent unsafe factors caused by car valve puncture;. Separate the toe of the tire and remove it from the rim;. Material: rubber+ copper.