Wheel Bearing Packer

Always hand packed bearings, easier to see if your covering all the areas. Just used to it.
I've got a metal one that I haven't tried yet. I've also got one of those plastic ones that holds the grease in the bottom and you lean on the top to force grease into the bearing. It works pretty well.

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I have one but usually pack them by hand. Unless you wear gloves the packers are still messy.