Larger packer head to service bearing to 9-1/2" O.D. with minimum 9/16" I.D.. Includes adapter to permit servicing smaller bearings of 1" to 1-3/4" O.D.. Clamps securely on 25 to 50 pound original refinery container. Primes easily and pumps efficiently when using heavy greases at low temperatures. Includes flexible follower plate 21" overall height; 2-1/4" wide. Drum cover is finished in red enamel.