Dremel Aluminum Oxide 3/8-in Grinding/Sharpening Bit Accessory in the Rotary Tool Bits & Wheels department at Lowes.com
Rokrou Carbide Double Cut for Dremel carving bits, rotary tool, 20 Pcs Rotary Burr Set with 1/8” Shank and 1/4" Head Length for, Woodworking, Engraving, Metal Carving, Drilling, Polishing - - Amazon.com