Compact CO2 inflator Fits Presta / Schrader base CNC aluminum alloy head for French and American types; Double-end design for one-side filling; Made of toppeak; Screws included 0.6 oz (16 g) / 25 g CO2 cartridges; Screws included 1 x CO2 cartridge included; Includes 1 x CO2 sleeve; Size: L44 x W37 x H15 mm (air booster only); Weight: 0.7 oz (222.5 g) (air booster only); Please wear gloves when using to prevent injuries). The CO2 cartridge included is disposable. Cannot be stored after use. Product color and size: The color of the product may look different from the actual product depending on your display settings. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of