CNC machined aluminum dispenser with brass internals. CNC control knob twists for easy and controlled inflation. Twin Slip Chuck head presses on to Presta and Schrader valves. Neoprene sleeve insulates hand from cold during discharge. Compatible with threaded CO2 cartridges.Made in: TaiwanColour: SilverType: CO2Original Colour by Producer: Silver/Hi Gloss