If you are looking for a specific size, do not trust the product description photos here. This is a 1/2" diameter and not 1/4" (6mm) as shown in the photos in the description.
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
πͺ Kutzall 3.1mm Extreme Taper Shaft
5 Review
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
Rokrou Carbide-Tipped Tungsten Woodworking Engraving Tool
4 Review