Material: The camping adapter gas conversion head adapter is made of high quality materials, fine workmanship, beautiful design, durable, lightweight, strong and sturdy. Function of Auto Shut Off: This metal gas bottle adapter has an auto shut off function. Plug in the long gas bottle from the tank and it will not leak even if the electric stove is not plugged in. HIGH PERFORMANCE: Camping gas adapters are used to adjust long flat gas tanks of the gas tank. This saves costs. Applicable uses: gas cartridge adapter - suitable for oven types. NOTICED : Gas cylinders and gas tank nozzles are not included. IDEAL AND PORTABLE ACCESSORIES: The stove burner adapter is lightweight and portable, easy to carry and store, and easy to use. Camping stove adapter for camping burners, hiking, picnic burners, hunting and other outdoor activities. Size: 3.9 * 2.8 cm / 1.5 * 1.1 inch