I never thought that any of these would be useful to me. I have a RotoZip, a power grinder, a vibratory cutter and more. I have to say I haven't used these since I bought them. I'm just an amateur so it's no big deal. I cut the washers in two, cut the 1 inch rod in two. Sanding down screws and nails so they don't stick out of my woodworking projects, trimming screws and rods that are too long, and I can't think of more. I have some tools from the M12 tool line so batteries have never been anβ¦