HOSE EXTENSION, FOR USE WITH HAND OPERATED GREASE GUNS, SIZE 12 IN L, CONNECTION 1/8 MNPT X 1/8 MNPT, MAX. PRESSURE 3,500 PSI, MIN. BURST PRESSURE 10,000 PSI, WORKING PRESSURE 3,500 PSI, FEATURES EASY ACCESS TO HARD TO REACH FITTINGS, SWIVEL END OF THE FITTING FITS ON THE GREASE GUN OUTLET, INCLUDES SWIVELING CONNECTOR