Item Name: Argon Cylinder TIG Welding Pressure Reducing Gulator Gas Valve Argon Gas Meter. Package size : 18 x 15 x 12cmAir outlet : 8mmProduct Size : as picture shows100% brand new and high qualityIntake thread : CGA580Item model number : AR-191 External threadProduct weight : about 520gMaterial : CopperSuitable range : Argon cylinderProduct name : Energy saving argon gas meterNotice:1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data. Thank for your understanding.3. 1cm=0.39''. Package Included: 1x Argon Gulator *Please make