The Lansky 8 inch Diamond Benchstone Extra Coarse Grit Knife Sharpener is designed for expert knife and tool care. The 8 inch Lansky LDB8X Diamond Benchstone features a full edge-to-edge diamond grit surface for fast and efficient 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 bench knife sharpening stone comes with non-slip feet and an overmolded rubber frame. Sharpen even the toughest tools with this Lansky Sharpening Bench.