Used in my M12 die grinder, ΒΌ" shank. Cuts steel and cast iron like butter. Seems pretty cheap for what it does, the amount of bits, that you get and the case that you don't have to throw away right away, it's actually a very nice thing.
Kutzall Original Cylinder Rotary Burr, 1β8" Shaft, Fine - Woodworking Attachment For Dremel, Foredom, DeWalt, Milwaukee. Abrasive Tungsten Carbide, 1β8" (3.1Mm) Dia. X 7β8" (22.2Mm) Length, C-18-EG
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