Air Hose Reel Spring-powered mechanism retracts the hose quickly,automatically and easily; The ratchet lock mechanism hold hose automatically All-steel construction is very strong and reliable. Hose guide uses a 4-roller design to help reduce hose wear; Guide adjusts to 45, enabling easy use when mounted to a bench, wall or ceiling. The durable rubber air hose provides resistance to abrasion for long life and allows the hose to remain flexible at temperatures ranging from -20 to +165 degrees F for all weather use. Hose Maximum Working Pressure: 300 PSI; Bursting Pressure: 1200 PSI; 3/8-Inch Inner Diameter; 25-Feet Long; 1/4" Male NPT(National Pipe Thread) Brass Ends.