10pc HSS Micro Rotary File Burrs - 3/32" Shank - Etching, Engraving - Fits Dremel
Cutting tip sizes (maximum diameter x cutting length) from left to right in photo: 2.0 x 5.0mm (serrated), 1.8 x 4.2mm (serrated), 2.0 x 5.0mm, 1.8 x 4.2mm, 1.6mm ball, 1.6 crown, 1.8 crown, 1.6 cone, 2.0 cone, 2.0 ball.