Description: Quality Material: This Bike Vacuum Tire Valve Nut is made from premium quality aluminum alloy, making it sturdy and durable for long time use.Easy to Use: The Bicycle Inner Tube Valve Cap is simple to use, making it convenient for you to modify or replace. Once locked in place, it reduces gaps and prevents air leakage.Simple Installation: The installation of this Bike Valve Adapter is straightforward with its anti slip design, allowing you to easily tighten it without the need for additional tools.Wide Application: This Bike Convert Valve Adapter is suitable for various types of bicycles including mountain bikes, road bikes, folding bikes, and more.Great Gift: This BicycleValve Nut makes an great gift for men, family members, friends, and cycling enthusiasts alike. It comes in a universal size and vibrant red color that adds a stylish touch to any bicycle. Specification: Material:Aluminum Alloy Size Chart: 1.2cmx0.85cm or 0.47inchx0.33inch Package Includes: 1Bike Valve Nut1 Sealing Ring Note: Please allow slightly errors due to manual measurement and different monitors.