DuraGrit is having a crazy sale for Black Friday & Cyber Monday. They are located in Canada and make VERY high quality rotary burrs and abrasive tools.These burrs are perfect for dremel tools. They are having 30% site wide. I purchased some of these about 7 months ago and absolutely love them. These are great for every woodworker!
Here are some examples:
Versatile 4 pc. DIY / Woodworking Set: Regular $64.68 Sale Price $45.28: https://duragrit.com/DIY-Woodworking-Carbide-Rotary-Tool-Set.html [duragrit.com]
5" DuraDisc™ Carbide Sanding Disc Regular $49.98 Sale Price $34.99 :
6 pc. Woodcarving Carbide Tool Set: Regular $91.74 Sale Price $64.22
90° Carbide TruSander Block Sander: Regular $44.98 Sale Price $31.49
These are just a few examples. They have a lot more offerings on their site.