"Coarse" (silicon carbide) - the traditional "multi-purpose" favorite. Non-clogging binder continuously exposes sharp new abrasive with absolute minimum of heat. Special metal bushing assures perfect centering, true-running and safety.
| Abrasive | Silicon Carbide |
| Brand | Koolies |
| Color | Black |
| Compare to | Mizzy |
| Diameter | 1" (25mm) |
| Dremel Code | Grinding/Sharpening |
| Feature | Heatless |
| For use on | Multi-purpose |
| Grade | Coarse |
| Size | #1 |
| Specialty | Dental/Jewelry |
| Thickness | 3/16" (4.8mm) |
| UPC | 792818308019 |