Description: Material: Metal Size: 9.3cm / 3.63" Color: Yellow Feature: 1. Made of metal, corrosion-resistant and thermally conductive, ensuring safe and stable connection of gas cylinders 2. Precision pressure gauge adapter design, suitable for various specifications of gas cylinder interfaces, strong versatility 3. Anti-oxidation handle, extended service life, adaptable to various harsh environments 4. Compact structure, easy installation, suitable for oxygen cylinders, propane cylinders and other gas containers 5. Passed strict quality inspection, meets international safety standards, and ensures worry-free use for users Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1*Gas tank conversion head