Jetboil's CrunchIt Butane Canister Recycling Tool is safe, fool-proof, and compliant with recycling standards. Crunch it punctures Jetboil and Jetpower (and certain other) butane fuel canisters, rendering them ready for the recycling bin and re-melting and reformation. This tool is so safe it vents fuel prior to puncturing, minimising risks to you and others around you.Features:Lightweight - only 28g.Clip on- To carabiner or key ring for convenience.Bottle opener - And jet orifice wrench integrated into handle.