The Lansky 8 inch Diamond Benchstone Medium Grit Knife Sharpener is designed for expert knife and tool care. The 8 inch Lansky LDB8M Diamond Benchstone features a full edge-to-edge diamond grit surface for quick and safe knife sharpening. All Lansky Diamond Benchstones feature a high impact plastic self-storing case that raises the stone to maximize safety and comfort. The base on this medium grit knife sharpener comes with non-slip feet and an overmolded rubber frame. Get a sharp blade on your knives quickly and safely with this Lansky Sharpening Bench.