One Ball Jay Diamond Stone Coarse, 1.5"x3"

For de-burring and sharpening edges. Inspect & feel your edges. Pull smoothly with light pressure from tip to tail until sharpened or de-burred. For really sharp edges, use a Fine Diamond Stone.

• Black - Extra Coarse, Red - Coarse, Blue - Fine
• Sold in singles.
• 1.5"x3"