Rittenhouse Super Swivel - Heavy Duty Hose Reel Swivel - 1/2" Super Swivel - Heavy Duty Hose Reel Swivel 1/2" (SW9-08-08) Inlet and Outlet Thread: 1/2" female NPT (measures about 3/4" with a tape measure) Max. Pressure Rating: 5000 PSI (perfect for low and high pressures) Nickel-plated steel material Will fit most hose reels