Serrated edges or plain, kitchen knives or fillet knives, the Sturdy Mount is designed to handle nearly all your sharpening needs. Compact and simple to use, the Sturdy Mount is a safe and easy way to keep all your blades sharpened. The Sturdy Mount attaches to butcher blocks, chopping boards, or kitchen carts to provide a flat, stable surface. Once the screws have been tightened down, you sharpen all your knives using this convenient and safe option.