Outdoor Camping Gas Refill Adapter Valve Gas Cartridge Canister Connector Gas Stove Accessories Feature: The main parts are made of aluminum alloy with frosted and heat hardness treatment; the internal copper parts are 59 copper, and the sealing ring is made of fluorine plastic. Realize the connection between gas tanks, so that the gas of one gas tank is introduced into the other gas tank, and the gas tank is used more economically (universal for flat gas tank, other joints are needed for other gas tank types) Specification: Material: aluminum alloy body+stainless steel+brass Weight: about 19g Size: height 2.6cm/1.02", outer diameter 1.6cm/0.63", unfolded length 6.4cm/2.52" Instruction: When connecting, please make sure there is no leakage for one gas tank. The refilling gas tank is on the top, and the refilled one is on the bottom. When removing the valve, please hold the valve by hand. It is best to operate it by two people. It is recommended to freeze the one to be refilled for ten minutes in advance, so that it is easier to introduce gas. Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. 1 X Gas Refill Adapter .