180 Grit Diamond Replacement Wheel for Drill Doctor 350X, 500X, 750X
Grit Number 180. Grit Material Diamond. Grit Type Fine. Grit Material Type Diamond. Model 180 Grit. Grinding performance: The 180 Diamond sharpening wheel is designed specifically for high-speed steel, cobalt alloy, tin plated spiral drill bits, and rock drilling bits.