Enjoy butane canister convenience without creating landfill waste, thanks to Jetboil's CrunchIt(TM) Butane Canister Recycling Tool. The CrunchIt first vents the remaining bit of fuel and then punctures the can. . Safe, fool-proof, and compliant with most recycling standards. CrunchIt(TM) punctures Jetboil Jetpower (and certain other) butane fuel canisters. Recycling rules vary, please check with your local municipal or county waste facility to ensure full compliance with recycling regulations in your region. Lightweight, rugged stainless steel construction. Safely vents fuel prior to puncturing. Useful Jetboil toolkit with bottle opener and jet orifice wrench integrated into handle. Clips onto carabiner or key ring for convenience.