Special cleaning sponge

SANDING SPONGE DRY & WET ABRASIVE
MEDIUM/FINE GRIT,A/O in kinds of colors sanding 
Size:100x70x25mm/2.7" x 3.9" x 1" specially designed

Cleaning rust from tools-table saw, jointer or bandsaw tables, cleaning carving tools, chisels, etc.  

Removing rust from outdoor equipment

Cleaning and polishing stainless steel sinks, pots and pans

Cleaning electrical contacts

Removing mineral deposits from ceramic tile and toilets