Drill Doctor 180 Grit Replacement Diamond Sharpening/Grinding Wheel
The Drill Doctor replacement grinding wheel is made of synthetic diamonds, and is user-replaceable on both The Drill Doctor model 300 and model 400.
180 grit wheel replaces standard Drill Doctor sharpening wheel
Recommended for bits 3/32 In. to 3/4 In.
Easily replaceable
Sharpens carbon, high-speed steel, carbide, tin-coated and masonry bits