Safe, easy to use and compliant with recycling standards, the Jetboil CrunchIt Butane Canister Recycling Tool will puncture your empty Jetboil Jetpower butane fuel canisters, rendering them recycling bin ready for re-melt and reformation.Features a lightweight, rugged, stainless steel construction which safely vents fuel prior to puncturing.Comes complete with a Jetboil toolkit with a bottle opener and a jet orifice wrench integrated into handle.Clips onto a karabiner or a key ring for convenience.