This is a manual 3-stage kitchen knife sharpener.
Features: It features a non-slip base for safety and an ergonomic handle for comfort.
Technology: The sharpener typically utilizes tungsten steel for coarse sharpening, ceramic for fine honing, and diamond rods for polishing blades.
Suitability: It is designed to work on various metal knives, including standard kitchen knives, serrated blades, and beveled knives.