Description:Feature:100% Brand New and High Quality Usage:1. Weigh the unused full butane canister and write with the felt tip on the base.2. Place the empty refill container in the freezer for approx. Half an hour or overnight.3. Remove the container from the freezer and place the adapter on the canister.4. Take a new full butane canister and put it into the adapter.5. Push the canister firmly for 10-15 seconds at a time, checking the weight of the canister each time until it matches the original weight written on the base. Warning: For safety reasons, the weight of the filling canister should be lighter than the original canister! Once the container is filled, it is always good safety practice to check the seal on the canister for leaks! Only fill the canisters in a well-ventilated area, i.e. in the open air! Specifications:Material: CopperColor: GoldSize: 11x1 0mm/0.43x0.39" Top Diameter: 3mm/0.12" Bottom Diameter: 8mm/0.31 inchQuantity: 1 PcNote: Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No Retail Package Package Included:1 x Spare Gas Box Adapter