1.spring driven,auto rewind hose reel 2.heavy gauge steel construction,brass swivel 3.lock hose as desire this hose reel is designed for 50 1/4" Oxygen-Acetylene Dual Hose ,to keep your workplace neat and safeWorking pressure up to 300 PSIAll steel construction for industrial/commercial application,power coatedFull flow solid brass swivelSpring fully enclosed and lubricatedmulti position arm ...