Description: 【High Quality Materials】The bike valve core is made of high quality metal material, which is durable, reliable, and has a long service life. 【Valve Cores】The valve core has good air tightness, and it can be used to replace old valve core to stop air leakage. 【Valve Core Tool】A compact, versatile valve core handy tool for installing and removing valve cores, for easy tightening or removal of valve cores on bicycles, cars, and any other pneumatic tires. 【Valve Cap】 The valve caps not only can prevent leakage, but also prevent dirt and water into your bicycles, different valve caps have different usage, they can meet your needs. 【Versatile】Universal valve core sets are suitable for all kinds of bikes, such as mountain bikes, road bikes, etc., to meet your riding needs. Specification: Material: Metal Package Includes: Optional: Style A: 1 Valve Cor e Wrench, 1 Valve Cor e Removal Tool, 4 Valve Cor e, 2 Valve Adapter, 4 Valve Cor e Rings, 6 Valve Cor e Protective Caps(Black and Silver), or Style B: 1 Valve Cor e Wrench, 1 Valve Cor e Removal Tool, 4 Valve Cor e, 2 Valve Adapter, 4 Valve Cor e Rings, 6 Valve Cor e Protective Caps(Black),or Style C: 1 Valve Cor e Wrench, 2 Valve Cor e Removal Tool, 4 Valve Cor e, 2 Valve Adapter, 4 Valve Cor e Rings, 6 Valve Cor e Protective Caps(Black) Note: Please allow slightly errors due to manual measurement and different monitors.