Feature: ProfessionalChefs Choice: Our 3 stage knife sharpener is perfect for straight stainless steel knives, such as survival knives, hunting knives, steak knives, filet knives, pocketknives (Note: Not suitable for Scissors, Ceramic or Serrated Knives).3-in-1 Knife Sharpening: Simple operate with incredible 3-slot system. The 1st Tungsten Steel slot repairs and the 2nd diamond sharpening rod to restore its V-shape. The 3rd Aviation Ceramics slot fine tunes for a clean polish.Ergonomic Design: Specially anti-slip cushion base on the bottom, which provides good slip resistance for stability and safety. Besides, the comfort handle ensures maximum comfortable grip, suitable for both right and left-handed users.Premium Material: Constructed with solid ABS plastic for our professional knife sharpener kit, which features strong, durable and sturdy to last for a lifetime using. Furthermore, the grinder head of this professional knife sharpener is composed of aviation ceramics, tungsten steel, diamond.Sharpener Card Slot: RoughStage (tungsten steel): used to sharpen blunt knives and damaged tools.Fine grinding (diamond abrasive): used to repair the gap of the blade.Polished (ceramic): used to polish the tool and repair it quickly.Instruction to Use:1. Place the knife sharpener on a stable, flat surface;2. Place the blunt knife vertically into the appropriate sharpening card slot;3. Gently move the knife in the same one direction 3--5 times.Suitable for: Stainless steel metal knives in the kitchen, fruit knives, straight edged steel knives, wide serrated knives (bread knives).Cleaning Knife Sharpener: Remove the head of the sharpener and wash it in water.Package Including: 1x Knife Sharpener (Knife is not included)Note: Please allow 1-3cm difference due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.