Outdoor Gas Stove Safe Switch Charging Valve Adapter Portable Fire Regulator Specifications:Even when you are camping outside, you can also adjust the fire according to your needs using the stove safe switch. The round part of the switch can fit the top of the gas cylinder to help you control the gas. This portable adapter won't take up much space in your bag. It is a good addition for camping and so on. Item Name: Furnace Switch Material: Copper, Aluminum Alloy Model: RT908A Features: Durable, Easy to Use, Stable Inlet Inner Diameter: 10mm/0.39" (Approx.) Outlet Inner Diameter: 8mm/0.31" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included:1 x Furnace Switch (Others Not Included)