This polyurethane re-koil hose is assembled with re-usable, full flow 1/4" MNPT swivel fittings on both ends to avoid twisting and kinking. Polyurethane re-koil hose is perfect for connecting to overhead air lines to keep the hose off the floor and resists abrasion. Maximum working pressure of Box of 125 PSI at 70 degrees Fahrenheit.