Knife Sharpening Stone Crafted from superior silicon carbide, this dual grit sharpening stone features a 400 grit side for repairing and refining knife edges, and a 1000 grit side for achieving a smooth, polished finish. Easy to Use Simply soak the stone in water for 10-15 minutes before use—no oil needed. Continue adding water during sharpening to maintain excellent lubrication, making the process efficient and less strenuous. Versatile Sharpening Compatible with a wide variety of knives, including chef, hunting, pocket, Japanese, butcher, paring, BBQ knives, scissors, chisels, and blades. Also effective for sharpening hatchets, axes, carving tools, and gardening tools. Complete Kit Includes two sharpening stones (7x2.2x1.1 inches) and a quick user guide with essential sharpening tips. Makes an excellent household gift. High-Quality Material Made from white corundum, this grindstone excels in pulping and self-sharpening, requiring less frequent dressing and improving work efficiency.