And here is what Genuine Innovations has to say:
The HammerHead is a push button mini inflator, perfect for riders who prefer a small or mini CO2 inflator but also want a trigger-style device.
- Trigger activated for fast and easy inflation
- Compatible with 16, 20, and 25 gram threaded Co2 cartridges
- Included Cartridge: Yes
- Cartridge Type: Threaded
- Defined Color: Silver
See Genuine Innovations for details on their warranty.