Description: Argon / CO2 flow meter, pressure regulator accessories. Made of plastic, durable for use. Used for CO2 / Argon maintenance. Flow meter range: 0-25Mpa Length: approx. 11cm ; Screw joint diameter: approx. 2.7cm Package Includes: 1 Piece Argon/CO2 Mig Tig Flow Meter Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !