Giant Control Blast 1 CO2 Inflator Kit features an aluminium body, Presta and Schrader compatible simple push on inflation for racing and quick puncture repairs.FEATURES Kit includes: inflator head and one 16g threaded CO2 cartridge Ergonomic thumb control design ensures accurate pressure release Compatible with 12, 16, 20, and 25g threaded CO2 cartridges Weight: 45g (inflator head only)