Designed for expert knife sharpening and woodworking tool care Full edge-to-edge diamond grit surface for quicker, more efficient sharpening Base comes with non-slip rubber frame Lansky&';s Diamond Bench Stones are designed for expert knife sharpening and woodworking tool care. All Lansky Diamond Bench Stones feature a full edge-to-edge diamond grit surface for quicker, more efficient sharpening. They are available in three grits. Lansky&';s Diamond Bench Stones feature a high-impact plastic self-storing case that raises the stone as shown to the left for maximum safety and comfort. The base comes with a non-slip rubber frame.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }