A compact CO2 inflator. Compatible with French/American style clasps. CNC aluminum alloy head compatible with Presta and American styles Double-ended design with one side for injection and one side for holding Topeak screw included Compatible with 16g/25g CO2 cartridges Includes 1 16g CO2 cartridge with screws 1 CO2 sleeve included Dust cap included Size: L44 x W37 x H15mm (air booster only) Weight: 22.5g (air booster only) *Please wear gloves when using to prevent injury. *The included CO2 cartridge is disposable. It cannot be saved after use. Regarding the color and size of the product: The color of the product may differ from the actual product depending on the type of display. The specifications and logo designs of published products are subject to change due to improvements. Additionally, we cannot answer questions about measurements or personal fit that have not been announced by the manufacturer. Thank you for your understanding.