Hydraulic Couplers
» Hydraulic coupler is used to lubricate standard grease fittings.
» Hardened coupler body withstands high pressure without deformation.
» Fully hardened spring steel jaws.
» Hexagonal nut for easy tightening.
» Recommended for use with hand operated grease guns.
» With built-in ball check which prevents leak and lubricant backup if the grease gun your using does not feature a check valve.