Robinair (30060) 1/4" Standard Hoses with Standard Fittings Set - 60", Set of 3 60 inch long, 1/4 inch yellow, blue, and red hoses feature a 500 PSI working pressure and 2500 PSI burst pressure - ideal for standard refrigerants Rugged neoprene coating offers flexibility and wear resistance ensuring long life and dependability Standard 1/4 inch female flare fittings with a valve core depressor and 45 bend on one end for convenient access to the system Coupler nuts feature deep knurling for a positive grip that enables quick finger-tightening Hose ends feature a strong six-sided crimp that provides a secure, reliable connection between the hose and barb - even at maximum pressure