Features: The adapter converts to use a screw type flat gas tank for propane gas device. It is possible to convert the propane gas device which originally used propane gas into used flat tank,like oven,spray gun,integrated gas furnace,split gas furnace and heating furnace. Made of aluminum alloy and copper,strong and durable. Lightweight and portable for camping,hiking,fishing,mountaineering,picnic etc. NOTE: Please firstly install your stove or other propane gas devices in good connection,and finally connect to your gas tanks to avoid air leakage.The adapter only,the others are not included. Specification: Model: Z29-30 / Z29-105 / Z20 (optional) Material: Aluminum alloy + Copper Size: 3 * 3 * 3.2 cm / 1.2 * 1.2 * 1.3 in Weight: Approx. 36 g / 1.3 oz Package List: 1* Adapter