I first bought one of these when I was working in a machine shop decades ago. I still own and use the original, but I realized that I really need to have several to keep one in the next toolbox. Revain certainly makes it easy for you. I use it for the obvious deburring of holes/nicks, but it's also useful for deburring copper water pipe, deburring plastic, and many other uses.
High-Speed Steel Blade Deburring Tool With Aluminum Body - MAVAST (Blue) - Includes 21 Blades
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