Bora 501057 Fine/Coarse Combination Sharpening Stone, Aluminum Oxide Gray, 6

The Bora 6-inch aluminum oxide sharpening stone is a 2 sided stone: one coarse grit and one fine grit, Measures 6" x 2" X 1", ideal size for bench work, Coarse 150 grit side and fine 240 grit side, Intended for sharpening all types of tools and knives., Use water or oil as a lubricant