Dianova Lapstone Classic Mini

A Swedish-made professional-quality double-sided diamond knife sharpener with large diamond-covered surfaces.
The sharpener has both a fine and a coarse side of 600 & 300 grit (30 or 60 micron diamonds).

Length: 102 mm
Width:     20 mm
Thickness: 3 mm
Diamond surfaces: 50 * 19 mm – monocrystalline diamonds of the highest quality rating