Fine/medium for light-duty, coarse for general purpose and x-coarse for heavy-duty. 1/4 in shank. Max rpm 4500.
California residents see Prop 65 WARNINGS
| Arbor/Shank Size | : | 1/4 in |
| Bristle Material | : | Steel |
| Diameter | : | 2-3/4 in |
| Grit Grade | : | Fine |
| Speed Rating | : | 4500 rpm |