These 4 inch storz replacement couplings come complete with hose shank, removable collars and set screws. Collar screws take a 5/16 inch allen wrench. These will fit most rubber covered LDH firefighting grade supply hose and are the OEM couplings for Key Fire Hose Pro-Flow LDH.
Storz couplings comes as a set with one coupling for each hose end.
Couplings will NOT fit discharge hoses such as the common blue and red discharge hose which are thinner walled. Fire grade LDH rubber covered hose only.
