_Safe, fool-proof, and compliant with recycling standards, Jetboil's CrunchIt Butane Canister Recycling Tool punctures Jetboil (and certain other) butane fuel canisters, letting you crush them down to a compact size that's ready for recycling.__ It also makes a useful Jetboil toolkit with a bottle opener and jet orifice wrench integrated into its handle.Lightweight, rugged stainless steel constructionSafely vents fuel prior to puncturingClips onto carabiner or key ringWeight: 1oz (28g) Dimensions: 3" x 1.4" (76mm x 35mm)