Professional Quality 4-Way Diamond Knife sharpener
Grits: 600 (fine), 400 (medium), 300 (coarse) and 200 (extra coarse)
Generous three layers of diamonds nickel bonded to steel frame
The 4 sided sharpener Dimensions are: 2 x 2" x 6-1/4" long
In Durable Plastic Base with Non-Skid Rubber of Dimension: 3-3/8" X 7-1/2"
Color coded and grit sizes marked on ends for quick reference
Diamonds will sharpen almost anything including Carbide