Lincoln® Hydraulic Coupler for Grease Gun (2 Pack)

The Lubrication Hydraulic Coupler offered by Lincoln is used for easy grease flow. It features a standard design with a resealable clamshell. It is light in weight and easy to install.   These couplers fit all hydraulic-type grease fittings. The small outside diameter allows for easy contact with recessed fittings. They feature a 1/8" NPT Female inlet and a built-in ball check that prevents leak and lubricant backup.