"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 |
| Dremel Code | Grinding/Sharpening |
| Feature | Heatless |
| For use on | Mulit-purpose |
| Grade | Coarse |
| Height | 1/8" (3.18mm) |
| Length | 1/2" (12.7mm) |
| Shape | 14 |
| Specialty | Dental |
| UPC | 792818308149 |