AMZ684780-1.25M: Description: Solid Molded Rubber Follower Plate for 120LB(16 Gallon) (54.4KG) Drum w/ 1-1/4” diameter downtube. 1. Follower Plate Solid Molded Rubber for a 120LB(16 Gallon) Drum, for Pump with a 1-1/4"(3.175CM) Diameter Downtube. 2. Center Downtube Diameter Opening 1-1/4"(3.175CM) for a Grease Pump or equivalent pump with a 1-1/4"(3.175CM) Diameter Downtube. 3: Diameter of Grease Follower Plate: 14-1/4"(36.2CM); Includes a 5/8"(1.59CM) foldable rubber lip around the outer diameter; Actual Hard Rubber Diameter is 13.0"; the foldable rubber lip completes the diameter of 14-/14"; The follower plate will accommodate any drum diameter dimension in between 13.0" to 14-1/4". 4: Other Downtube Diameter Inserts available in 1.0" (2.54CM), 1-3/8"(3.49CM), 1-1/2" (3.81CM), 2-1/8" (5.4CM). 5: Provides a tight seal on the outer surface of the container for a vacuum suction and better priming in the downtube. 6: Forces grease at the bottom of the container from the outer edges toward the center of the pail and to the downtube to reduce waste. 7: Inside Rubber Lip: The Inside Diameter Insert has a 1/16" lip on it which makes the diameter appear to be 1-1/8"; The rubber lip folds down or back as you insert a 1-1/4" diameter downtube or it will accommodate a downtube that is 1/8" less in diameter. 8: Application: Standard 120LB(16 Gallon) (54.4KG) Drum of Grease and any pump supporting a Downtube Diameter of: 1-1/4"(3.175CM). 9: Other Information: Weight and Dimensions: BOX Weight: 7LBS(3.2KG) BOX Dims: Length: 17"(43.2CM) X Width: 17" (43.2CM) X Height 6"( 15.2CM).