3pc 3" Mini Diamond File Set Fine Coarse Durable Sharpening 400 300 200 Grit Amtech E2520

Set includes extra fine, fine and coarse.

No oil lubrication needed, only requires water.

Extremely durable.

Quick, easy and effortless sharpening.

Grits: Blue extra fine 400, Yellow fine 300, Red coarse 200.