Pump, cover, and follower for Kluber plastic 25-30 Kg pails with outer diameter of 348mm at top of pail. Lincoln 50:1 ratio grease pump. Nitride steel plunger and bushing resists abrasion and prolongs pump life. Heavy Duty follower and drum cover built to give years of trouble free operation. Includes Model 815 air coupler. Fits Kluber or other standard metric dimensioned 25 or 30 KG drums. Follower plate is 335mm in outer diameter, the drumcover is 355mm inside diameter of the cover. This unit is the pump, cover and follower only.