Features: Quickly -cnc machined aluminum dispenser,upgrade design with control levers operation regulates speed of co2 release for easy precisely controlled inflation. also slowly releasing the-gas into tire to control potential freezing. Mini, portable & lightweight,the co2-inflator small size small and lightweight, simple design so easy to use and feel solid in use. Safe & secure connection with no leaks,cnc-machined aluminum parts for precise and durable construction. inflator-designed for all 'threaded' unf3/8-co2 cartridges(16g). presta & schrader valves compatible. Must be co2-inflator,efficiently & reliably delivers 'fast inflation' when you need it the most. good choice for race, timed event. Wonderful gift,bicycle pump inflator-can be sweet warm gift for friend ,family or yourself. Specifications: Material:Aluminium Alloy Style:Red,Black Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Set CO2 Bike Tire-Inflator