Lincoln Heavy Duty 50:1 ratio grease pump. Heavy Duty follower and drum cover built to give years of trouble free operation. Includes Lincoln Model 815 air coupler. Fits Kluber or other standard metric dimension 25 or 30KG drums. Follower has a diameter of 335mm, drum cover is 355mm inside diameter, each fit the Lincoln 20 series grease pump supplied. 8 foot long 1/4″ ID hose. 5000 PSI Working pressure. High pressure swivel. Lincoln model 740 High Pressure control handle.