The Groz Bench Type Bearing Packer is designed for swift and efficient bearing maintenance. This tool features a non-threaded top cone for quick bearing placement and an integrated grease nipple on the outer shaft, ensuring a hassle-free greasing process with standard grease guns. It can accommodate bearings with a minimum inner diameter of 1/2" (12 mm) to a maximum outer diameter of 6" (150 mm) and heights ranging from 3/8" (10 mm) to 2" (50 mm). Ideal to use with standard grease guns.