Lincoln IndustrialLID58525852Hydraulic CouplerFor over 90 years the industry has recognized Lincoln as the leader in professional lubrication tools. Professional automotive, agricultural and industrial mechanics depend on Lincoln tools for their livelihood. Lincoln tools offer a lifetime of performance and are backed by the most comprehensive warranty in the industry.Lincoln Comprehensive Warranty6000 psi maximum operating pressureFor all hydraulic type grease fittingsSmall outside diameter permits easy contact with recessed fitting.Replaceable hardened steel jawsBuilt-in ball check prevents leak and lubricant backup.Inlet 1/8" NPT(f)Hand-Held LubricationGrease Gun AccessoriesTools and EquipmentLubrication