Norton Blaze 3" Speed-Lok TR Disc 36gr Application Info: Ceramic self-sharpening abrasive is ideal for high-pressure, heavy metal removal applications. Ideal for fast stock removal in a small area. FEATURES & BENEFITS • Premium ceramic and zirconia alumina grain is self-sharpening for consistent, aggressive cut and long life • Grinding aid coating produces burn free grinding of heat-sensitive materialsfor longer life and minimal loading • Heavy-duty backing extends life and reduces edge wear