This is a brand new boxed set of 30 different 2.9mm sized burrs
To fit smaller rotary tools
From there Pro Craft range which are for professionals
Complete in plastic storage case
30 assorted shapes ideal for Grinding, scribing, sharpening etc and much more
For materials such as Glass, Cristal, Ceramics, Metals, Rocks, Gems, Carbide, Brick, Steel, Wood Etc
Grit: Medium (120-150)
Shank Diameter: Approx. 3mm