The Shiny Object CO2 inflator is made of indestructible oh-so-shiny alloy and fits on both Presta and Schrader valves. Its control knob regulates how fast the CO2 is released. Inflator only-don't forget to pick up additional CO2 cartridges. Features: Inflator height: 44 mm (1.75") Leather sleeve length: 55 mm (2.25") Lifetime PDWarranty Specifications: CO2 Type: Threaded Cartridge: Not Included Valve Compatibility: Presta & Schrader Gauge: - Color: Silver Weight: 40g (Inflator Head Only)