this hose reelis designed for 50 1/4" Oxygen-Acetylene Dual Hose ,to keep your workplace neat and safe Working pressure up to 300 PSI All steel construction for industrial/commercial application,power coated Full flow solid brass swivel Spring fully enclosed and lubricated multi position arm permits:floor,wall,ceiling mounts outlet/inlet:3/8" four direction non-snag rollers reduce hose wear rubber hose with rubber stopper