Keeps Polishing & Buffing Wheels Working Like New
Porous, rough, Crystolon block quickly knocks off all the old caked-on, used-up abrasive and metal residue from the surface of muslin and felt wheels. Gets the wheels ready to accept a full load of fresh polish. Also shapes and dresses grinding wheels.
Big Book Catalog, Issue:70, Page:384
SPECS: 2" (5cm) high x 2" (5cm) wide x 4" (10.1cm) long.