Hard silicon carbide rubbing bricks are used for heavy duty applications such as rubbing floors, cleaning and scouring castings, rubbing down concrete, and removing mold marks.
- Premium extra coarse silicon carbide abrasive
- Used by mechanics and foundrymen for dressing grinding wheels and cleaning castings
- Great for general clean up
- Used by hand
- Norton Sharpening Stones have been the world leader for over 150 years
- Restoring cutting edge on straight-edged tools such as knives, chisels, plane blades, or other tools