20Pcs Carbide Burr Bits Set Compatible with Dremel Milwaukee 1/8", Rotary Too...
3mm shank compatible with 1/8"(3.175mm) collect and nut set of rotary tool. 3-jaws-chuck drills not optimal. The high-speed rotary tools optimal. Very sharp, aggressive, better suited for sanding in tight spaces than grinding discs flap wheel.