1. Scope of Application: Suitable for welding, electronic, etc.2. High-quality: Zinc Alloy and ABS materials, strong sealing, safe and reliable.3. Holster protection: The head has a holster to protect the meter for a long time.4. Clear scale: The dial scale is clear and precise, and the operation is more convenient.5. Compact structure: Full copper air inlet connector, air outlet connector, no discoloration, no rust.Name:Oxygen regulatorModel Number: Pressure ReducerTracheal Interface Diameter: Approx. 8mm / 0.3inchApplicable Gas: Acetylene / Oxygencolour: greenMaterial: Zinc Alloy + ABSPackage Contents:1 x Oxygen regulatorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.