Features: Two Layer Quick Sharpening: Two layer quick sharpening farewell to traditional knife sharpening method. Knife and hand are separated and hands will not be hurt. Bottom Widening: The bottom of the grindstone is widened to prevent slipping and place more stably soit is safe to use. High-quality Material: Made of stainless steel this sharpener is sturdy solid durable and long-lasting and will not damage knives. Comfortable Handles:The handle conforms to the ergonomic design which makes it comfortable to hold and saves more effort to sharpen the knife. Wide Application: Suitable for most kitchen knives: bone choppers slicers fruit knives sushi knives steak knives etc. Not suitable for serrated knives or nicked knives. Specifications: Material: Stainless Steel Size: 205*40mm Package Included: 1 * Sharpener Notes: Please note that due to the influence of light and screen slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. includes: 1 * Sharpener "