•6 inch combination whetstoneproduct descriptionMake your blade "sharp"This kind of stone provides the convenience of two grains of sand in one stone, which is very suitable for sharpening.Very suitable for cutting tools for edge maintenance of pocket knives, hunting and fishing knives, utility knife blades, gardening, woodworking and industrial cutting tools.Dark gray-rough surface-100 gritLight gray – medium surface – 240 gritCombination stone size 2" x 6"