Aluminum Oxide Diamond File 4″

American Made Aluminum Oxide Files in a Diamond Profile

There are times when you need a good sharpening stone in a specific shape. At 4″ long, 9/16″ on the long axis and 3/16″ on the narrow axis, these aluminum oxide stones can be just the thing. Perfect for sharpening the insides of narrow v tools or working in tight corners, these stones are proudly made for us in the US.

Available in 3 grits. Choose the one that suits your need or save when you get all three.

• Coarse – 120 Grit
• Medium – 180-220 Grit
• Fine – 320 Grit

Part numbers on stones:

• Coarse – 99004
• Medium – 91104
• Fine – 91204