For easy tyre inflation on the go a compact 100 cnc machined aluminum co2 inflator the trigger valve operation allows for easy and precise inflation the twin chuck head threads directly onto presta and schrader valves it is compatible with threaded co2 cartridges only and comes with an anti freeze jacket to protect hands during inflation aluminum construction aluminum a strong light weight and durable material is used to make various precision co2 inflator components cnc machined cnc