["Feature:\r\nbrand new and high quality\r\nUsage:\r\n1. Weigh unused full butane canister and write with felt-tip on the base.\r\n2. Place empty canister to be refilled in freezer for approx. half hour or overnight.\r\n3. Remove canister from freezer and place adapter onto the canister.\r\n4. Take your new full butane canister and insert into adapter.\r\n5. Push canister firmly down for 10-15 seconds at a for time, checking each for time the weight of the canister until it matches the original weight written on the base.\r\nWarning: \r\nConsidering safety, the refill canister weight should lighter than the original canister! \r\nAfter you have refilled the canister it is for always good safety practice to check the seal on the canister for no leaks! \r\nOnly refill your canisters in a well ventilated area, i.e. outdoors!\r\n\r\nSpecifications:\r\nMaterial: Copper\r\nColor: Gold\r\nSize: 11x10mm/0.43x0.39\"\r\nTop Diameter: 3mm/0.12\"\r\nBottom Diameter: 8mm/0.31\"\r\nQuantity: 1 Pc\r\nNote:\r\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid\r\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nNo Retail Package\r\nPackage Contents:\r\n1 x Gas Canister Refill Adapter"]