The Radnor 2 1/2" Brass Replacement Regulator Gauge is a high-quality welding accessory designed for precise and accurate gas regulation. Manufactured by Radnor, a trusted brand in the industry, this model 64003431 gauge ensures reliable performance and durability. Ideal for metalworking and manufacturing processes, this regulator gauge is a valuable tool for maintaining consistent gas pressure levels during welding and soldering tasks. Its sturdy brass construction and precise measurements make it a must-have for professionals in the welding equipment and accessories sector.