This adapter is designed to connect a cartridge furnace to an alpine flat gastank, providing a convenient and versatile solution for outdoor cooking and heating. Features: It can quickly connect the alpine gastank with the cartridge furnace, making the operation simple and convenient. Fine quality aluminum alloy material with oxidized black surface technology, wear-resistant for long lifespan. Accurate thread cutting with built-in locking device, which can be directly connected to Alpine interface furnaces. 45 quick installation structure, tightly connected, no air leakage, and not easy to fall off. Specifications: Color: black Material: aluminum alloy Item size: 55 * 55 * 30mm / 2.2 * 2.2 * 1.2in Item weight: 41g / 1.4ounce Package size: 60 * 60 * 30mm / 2.4 * 2.4 * 1.2in Package weight: 47g / 1.7ounce Packing List: 1 * Converter