ITEM NAME:2 Pcs Car Vehicle Bike Motorcycle Tire Tyre Valve Extension Wheels Tires Valve Description: Chrome plated brass surface made it durable and water repellent. Increase life span of tyre valve screw. No pressure loss even when the valve core is damaged or dirty. Easy to check tyre pressure without the chance to lose your valve caps. Easy to install - simply screw onto current tire stem, no additional dust cap required. Specification: Material: Chrome Plated Brass Color: Chrome IPS: 60 PSI Maximum Length: Approx 39mm / 1.54" Thread Diameter: 7.5mm / 0.3" Installation Type: Screw-On Type Placement on Vehicle: Left, Right, Front, Rear Package Includes: 2 Pieces Valve Cap Stem Extensions Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.Increase life span of tyre valve screw. 2 Pieces Valve Cap Stem Extensions.