Features: brand new and high quality Secure Connection and No Leaking: Inflator for head designed for most size of threaded CO2 cartridges (12g, 16g, 20g & 25g). Attention: CO2 cartridge NOT included. Compatible Presta & Schrader Valve: For use with Schrader and Presta valves - with no for valve for head switching needed. Quick & Easy: Inflate a tyre in seconds with our 1-Turn for Valve System. Control lever operation regulates speed of CO2 release for precisely controlled inflation. Compact and Lightweight: With compact small size, it is perfect for stowing away in your saddle bag or cycling jersey pocket. Customer Service Offered: Just contact us if you have encontered any unpleasant experience. We'll result it right for you soon. Specifications: Material: Aluminum Color: As The Picture Shows Package Weight: approx.120g Size: approx.11.2x2.5cm/4.40x0.98in Note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Inflator