The Chef's Knife Tool, Kitchen Accessories Helps Repair, Restore and Polish Blades Quickly, Food Safety Resistant Glove Included, Black. For Use On - Straight Edge Steel Kitchen Knives and Knives wide teeth (bread knives), including knives with hardened steel blades. Do not use on: ceramic knives, scissors or micro serrated knives.Give it a few correct pulls at each location in a direction and your knife will come out at factory sharpness. The simple, foolproof sharpener will satisfy most people, and they all get the job done quickly. That means you always have knives that are sharp, safe, efficient, and pleasant.Security always shows:Whether you are right or left handed, the ergonomic handle and non-slip mat provided a secure, stable and inspiring grip. We even provide a cut resistant glove for added safetyDelivery Quantity: 5pcs,Package Contents: Only the above package contents, excluding other products.Size: 6.8*6.8*4cm(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Color: yellow x2 + green x2 + blue(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)