Lumax LX-1302 Black 18" 25-50 lbs/5 Gallon Grease Gun Filler Pump with 12" Cover For bulk loading grease guns Coupler fits LX-1420 or similar filler nipple Delivers 1 pound grease per 6 strokes Clamps to any 25-50 pounds / 5 gallon pail of grease Includes 12 inches steel follower plate with hub seal