This complete knife sharpening stone set requires no professional skills—simply use the right tools and methods to restore your blades to sharpness. The set includes 400/1000 grit and 3000/8000 grit double-sided sharpening stones, a coarse flattening stone, a non-slip bamboo base, a sharpening angle guide, a genuine leather strop, and an instruction manual—providing a one-stop solution for all sharpening needs. The double-sided stones are made of professional-grade corundum (aluminum oxide). The 400/1000 grit side repairs dull blades, while the 3000/8000 grit side fine-polishes edges. The coarse flattening stone keeps the sharpening stones flat, and the leather strop removes burrs and polishes the blade. Suitable for kitchen knives (chef's knives, steak knives, santoku knives), Japanese blades, butcher knives, scissors, hunting knives, folding knives, etc.—simply choose the appropriate grit for sharpening. This professional and durable set revives the sharpness of all blade types.