Tire stem measurement: the tire stem diameter is . 1 cm, and they are 1.6 cm high, suitable for most tires Hard material: this valve caps are made of aluminium alloy of good quality, hard and durable, thus can last for a long time General color: these wheel valve covers are -grey, general and simple, fits vehicles of various colors Completely sealed: the dustproof tire caps are sealed completely, can prevent water, dust or sand into the tire, thus prolong the tire service life Wide application: this tire valve caps can be applied widely, you can use on , bikes and motorcycles Size (L x W x H): 1.6 x 1cm Material: Aluminum Alloy Color:Titanium Gray Package Contents: 8 x Tire stem valve caps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.