OilShield Rubber Air Hose Reel Heavy Duty Single Arm Assembly 1/2in x 50ft 18-gauge powder coated steel construction. Solid Brass fittings. 12-point ratchet system which helps lock out the hose at shorter lengths. Mountable on wall, ceiling or floor, trucks and trailers. 100% rubber construction, 300 PSI working pressure, 4:1 Safety factor . High strength polyester woven braided reinforcement, 1/2in Male NPT. 4 finger grip bend restrictor for better use and easier control over the hose. Flexibility from -30°F to +190°F. Ozone , Abrasion , Kink OSRHD1250