• Designed to remove the tough, hard scale left by the Electric Discharge Machining (EDM) process.
• EDM Blue is the harder formulation of our other EDM stones.
• Contains premium-grade white aluminum oxide abrasive that fractures into sharp pieces (friable) during finishing, to extend the life of the abrasive grit.
• Resists breakage & specifically designed for use in reciprocating profilers.
• Medium and Hard tool steels as high as Rockwell C 62.

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.