Control Drive CO2 16 is 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. Head is compatible with threaded CO2 cartridges.Colour: SilverMade in: TaiwanType: CO2Original Colour by Producer: Silver