Rapid Action Bearing Packer, For Greasing Bearings with a Minimum Inner Diameter of 1/2 in to a Maximum Outer Diameter of 6 in and Height from 3/8 to 2 in Capacity, Bearings -, Height 2, Width -, Steel, Attaches To Grease Guns, For Use With Grease Guns, Includes Heavy Duty Dust Cover