Handy Bearing Packer Light-weight and handy, portable Bearing Packer Mess and hassle free solution for quick removal of old grease and replacement with new grease Designed for use on bearings with Minimum dia of 1-3/4"(45mm) & Maximum dia 3-1/2"(89 mm) Unsing Instructions: a. Place the bearing on the piston. b. Pressing cap with the hand forces old grease out and makes way for new grease to flow in c. Simple hand press mechanism eliminates the need for any grease gun or pump to fill grease d. Cap protects grease from contaminants when not in use Useful for greasing bearings in cars, boats, tractors, RV's etc