
Not spherical like in the picture. Longer (e.g. ball end mill) and not very good for side cutting. Sent back because they don't work for me.

Kutzall Original Cylinder Rotary Burr, 1β8" Shaft, Fine - Woodworking Attachment For Dremel, Foredom, DeWalt, Milwaukee. Abrasive Tungsten Carbide, 1β4" (6.3Mm) Dia. X 1β2" (12.7Mm) Length, C-14-EG
9 Review

πͺ Kutzall 3.1mm Extreme Taper Shaft
5 Review

π οΈ Carbide Engraving Drilling Polishing Tool by YUFUTOL
5 Review

8PC Carbide Burr Set 1/4" Shank, Tungsten Double Cut Rotary Die Grinder Bits - Cutting Burrs For Milwaukee, Dewalt And Die Grinder Accessories - Wood Carving Metal Working - Free Screw Extractor Kit
6 Review