I don't really know why there weren't any comments on this but they don't even cut pretty soft stone. They're great for wood if you buy them for that. You should definitely take Rock off this list!
Carbide Tungsten Double Rotary Grinder Cutting Tools and Cutting Burrs
4 Review
πͺ Kutzall 3.1mm Extreme Taper Shaft
5 Review
Kutzall Extreme Cylinder Burr - Very Coarse Woodworking Abrasive Tungsten Carbide For Dremel, Foredom, DeWalt & Milwaukee
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