• Moldmaker stones consists of a harder black silicon carbide abrasive that breaks down faster than aluminum oxide.
• Cuts faster due to the sharpness, hardness, and friability of the abrasive grain.
• This stone is used for ductile metals; ideal for softer tool steels and non-ferrous metals.
• Hard and Soft tool steels as lows as Rockwell C 25, and soft non-ferrous metals such as Aluminum and Beryllium.

Warning This product can expose you to chemicals including Ceramic fibers (airborne particles of respirable size), which is known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.