External Universal Valve Connector Gas Filling Adapter Specifications: The small size valve adapter is easy to carry. You can rotate the round part of the switch to control the fire. The valve is suitable for camping, hiking and other outdoor activities. Item Name: Valve Adapter Material: Copper, Aluminum Alloy Features: Durable, Easy to Use, Stable Inlet Inner Diameter: 10mm/0.39" (Approx.) Outlet Inner Diameter: 4mm/0.16" (Approx.) Outlet Outer Diameter: 9mm/0.35" (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 Valve Adapter (others not included)