DMT Dia-Sharp Diamond Credit Card Knife Sharpener Fine 3 in.

Take your sharpening anywhere with the ready-to-go Dia-Sharp credit card sized diamond sharpener. Fits easily in pocket or wallet. Comes in convenient vinyl color-coded carry case. Offered in coarse, fine and extra-fine diamond grits. Stone size: 2.5 x .75 inch.
Pocket-sized convenience
Fine diamond for a razor sharp edge
Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface
No oil is needed-sharpen dry or with water
Durable construction will provide years of consistent performance and reliable service