Reliable material The double-layer sharpening wheel stone is made from high quality corundum by precision processing. It provides moderate hardness to effectively grind without excessive wear, extending its life and reducing replacement frequency. Efficient sharpening The unique double-layer wheel design, combined with the sharpening angle, quickly removes the passivation layer and rust from the knife edge. This results in a sharper, smoother edge and saves time compared with traditional sharpening methods, improving work efficiency. Fine workmanship The double-layer sharpening bit is carefully polished and finished in detail to ensure a smooth, even surface. The grinding wheel is evenly distributed for a better sharpening effect, while enhancing wear resistance and overall appearance. Easy installation Simple and quick to install on a drill. Just mount it on the drill and use it. It can quickly sharpen dull blades, effectively improving your work efficiency. Specifications and usage Material: corundum Design: double-layer sharpening wheel Application: designed to be mounted on a drill for sharpening knife edges Use scenarios - Home kitchen: restore dull kitchen knives for everyday cooking - Workshop: revive dull blades for tools and craft projects - Outdoor: maintain camping or outdoor knives when sharpening resources are limited