Medium-Duty Regulator: Flame Tech’s VMAR-22 is a medium duty Acetylene regulator with an easy-to-turn key style. Brass Body and Bonnet: The body and the bonnet of our Acetylene gas regulator are made with forged brass for optimum strength and durability. The adjustment screws are made with solid brass and are easy to regulate the tool. Easy-to-Read Dual Scale: Our acetylene regulator comes with an easily readable dual scale. The sturdy construction of the kit does not need any plastic cover for protection from the outside. Compatibility: Flame Technologies’ VMAR-22 Medium Duty Acetylene Regulator is Victor compatible. Weight and Dimensions: Our welding gas regulator measures 4.4” H x 7.8” L x 6.7” W and weighs 1.270 kilograms. The origin of the product is China.