Durable heavy-gauge, all steel construction. Heavy-duty rubber air hoses. Slotted mounting base for easy attachment to ceiling, walls, work benches. Five position adjustable outlet roller arm. Spring-powered automatic recoil. Angled hose guide for smooth, parallel hose pull-out and retraction. Eight position ratchet gearing locks the reel at the desired hose length. Includes bare hose reel, 50' delivery hose, ball stop. Assembly Description: 50' of 1/2" air hose. Inlet/Outlet Connection: 1/2" NPT Maximum Pressure: 300 psi Maximum Air Flow: 35 cfm