Extend Knife Life: After a long time of use, is your planer or engraving knife no longer sharp? Our sharpening tool can quickly and easily make the blade as sharp as before and extend the life of the tool. It is an essential tool for any carpenter. High quality material: The chisel sharpener is made of high-quality carbon steel, which is not easy to rust and durable. Can be widely used in scissors, flat shovel, iron planing, gravel, etc. Intimate design: Our knife sharpener adopts a rotating nut design, which can adjust the blade angle. Sharpen the blade as needed and finally slide the blade back and forth on the whetstone to make the blade more precise. Adjustable width: inner clamping range of our sharpening guide knife size: 0-50 mm, external clamping range: 36-86mm. Applicable to blades of different widths. Wide application: Woodworking chisel guide is suitable for grinding the cutting edges of woodworking chisels, planers, blades, engraving machines, engraving knives, flat irons and flat scissors. and helps extend the life of many chisels and woodworking irons. Why choose our manual pencil sharpener? The angle of the blade can be adjusted as desired by turning the nut. The stainless steel chisel has a rust-proof blue coating to ensure long life and a stylish appearance. This is the ideal tool for you help improve your work efficiency. Specification: Colorblue Material: carbon steel Size: 70 * 41 * 35mm Inner clamping range: 0-50mm External clamping range: 36-86mm Package includes: 1*chisel sharpening guide