Six-angle adjustable knife sharpener Four-in-one professional knife sharpener tungsten steel ceramic diamond knife sharpener [Four-in-one Design] This knife sharpener features a four-in-one design with a four-level grinding system suitable for different types of knives. It not only allows for coarse, fine, and precision sharpening, but also comes with dedicated holes for scissor sharpening. Its design can effectively handle varying degrees of knife wear or damage. [Six Adjustable Levels] The professional knife sharpener is equipped with a six-level adjustment knob, allowing you to sharpen your knife at different angles (14°, 16°, 18°, 20°, 22°, 24°). This allows you to sharpen your knife at the precise angle you need, ensuring optimal sharpening results with the sharpener. [Ergonomic Handle Design] The sharpener features an ergonomic handle design, providing a comfortable and efficient grip during sharpening. This product adheres to ergonomic principles to ensure comfortable and convenient use. 【Easy to Use】Using the sharpener is simple: just insert the blade into the corresponding notch, adjust the proper angle, and gently pull the blade a few times (Note: pull in one direction only, avoid applying too much pressure or pulling back and forth while sharpening) 【Durable and Long-lasting】The professional knife sharpener is made of high-quality materials such as ceramic, ABS, and carbide to improve the performance and durability of your kitchen knives. This sharpener will keep your knives in optimal condition, thereby extending their lifespan.