General description This sharpener is designed for honing raw wood and chisels, featuring a stainless steel construction with a black anti-rust coating for durability and a stylish appearance. Its roller design with a ME ring at the open end facilitates easy back-and-forth movement during sharpening, ensuring a smooth and safe experience. Technical specifications Material: Stainless steel with black anti-rust coating Dimensions (L x W x H): 9 x 4 x 3.3 cm Adjustable width: Up to 77 mm for flat irons and 47 mm for scissors Installation To adjust the width, rotate the cap counterclockwise. Hold the tool with pliers and rotate it up and down to fit the corner. Usage Suitable for sharpening wood chisels, cheese knives, blades, gravel, flat cutting knives, and plane irons. After adjusting, remove the cover clockwise and smooth the blade on a stone grinder or grinder, sliding the knife back and forth to revive the tool.