The Lansky Tri-Stone BenchStone is a sharpening system with three different sharpening stones. A coarse diamond-coated sharpening stone, a medium aluminium oxide sharpening stone, and a fine ceramic sharpening stone. With these stones you can easily sharpen a blunt knife.
You don't need water, oil or other fluids to use the Lansky Tri-Stone sharpening system. Soft rubber feet underneath the base make sure the system won't move during use. The screw holes in the base also enable you to secure the base as well.
The diamond-coated stone has a grain size of 120. This sharpening stone can quickly sharpen your edge. The aluminium oxide sharpening stone has a grain size of 280. Perfect when sharpening a knife really sharp. The fine ceramic sharpening stone has a grain size of 1000. With it you can make your knife razor-sharp.