Extended Tool Life: Is your plane or engraving knife no longer sharp after prolonged use? Our sharpening tools allow you to sharpen your blade faster and easier and extend the lifespan ofyour tool. It is an indispensable tool for any carpenter. High Quality Material: The scissor sharpener is made of high quality carbon steel, which is not easy to rust and durable. Can be widely used in chisels, flat shovels, planing iron, gravel, etc. Intimate Design: Our knife sharpener is designed with a rotating nut, which can adjust the angle of the blade. Sharpen the blade as needed and finally slide the blade back and forth over the sharpening stone to make the blade more precise. Adjustable Width: The inner clamping range of our sharpening guide rail size: 0-50mm, the outer clamping range: 36-86mm. Suitable for blades of different widths. Wide range of applications: The wood chisel guide rail is suitable for grinding the edges of wood chisels, planers, blades, engraving machines, carving knives, flat irons and flat scissors. And helps prolong thelife of many wood chisels and irons.