Drill Doctor DA31325GF Coarse 100-Grit Sharpening Wheel. Fits Drill Dr. Drill Bit Sharpener Models 500X and 750X.
Drill Dr. REPLACEMENT sharpening wheel for 3/32" - 1/2" drill bits. You can expect 200 or more sharpening's from this sharpening wheel. The 180-grit wheel has three layers of nickel/diamond plating to provide long life.