Item Name: Argon Cylinder Pressure Reducing Gulator Argon Gas Meter Gas Valve TIG Welding. Product Size : as picture showsMaterial : CopperPackage size : 18 x 15 x 12cmProduct weight : about 520gSuitable range : Argon cylinderProduct name : Energy saving argon gas meterAir outlet : 8mmIntake thread : CGA580Item model number : AR-191 External thread100% brand new and high qualityNotice: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