The Lansky Hard Arkansas Benchstone is great when you need an extra fine edge. This is the ultimate finishing stone for professionals and laypeople alike. These Hard Natural Benchstones are cut from carefully selected novaculite and mounted in a plastic frame that inserts into the base. The stone can be inserted "stone side up" for use or "stone side down" for storage. The base features non-slip rubber on the bottom and there are screw holes for permanently mounting the base. A Natural Arkansas Benchstone is perfect for sharpening pocket knives, kitchen knives, hunting and fishing knives, utility knife blades, cutting tools for gardening, woodworking tools, and more. Stone measures 6" long by 2" wide.