The Master Tech Knife 2 Sided Sharpening Stone is a versatile whetstone designed for sharpening knives with both fine and course grits. This grey stone features variable grit on both sides, making it easy to achieve a sharp and precise edge on your blades. With dimensions of 6"x2"x1", this high-quality sharpening stone is a must-have tool for keeping your kitchen knives in top condition. Made of stone and featuring a two-sided design, this product from Master Tech is a reliable and efficient option for maintaining your cutlery collection.