【Prolong Tool Life】: When your planer or carving knife is out of sharpness after a long time of use, you can throw it away and replace it with a new one. The honing guide can make the blade as sharp as before and prolong the life of the tool. 【High Quality Materials】: The chisel honing guide is made of stainless steel material. high quality carbon. Not easy to rust, durable and long lasting. With a hardened steel wheel on the bottom that will not wear out over time or develop flat spots. 【Size and Compatibility】: The chisel sharpening guide tool can adjust its width from tightening by turning the screw cap. Clamping width range: 0.16-3.35'' / 8-85mm. Max clamping width of flat iron is 85mm/3.35'', max clamping width of chisel is 58mm/1.97''. Includes flat jaws for clamping mortise chisels and grooved jaws for clamping chisels and planer blades. 【Choose the right angle】: By rotating the screw cap, you can adjust the angle of the blade, sharpen the blade according to your needs, and finally slide the blade back and forth on the sharpening stone until the blade is more precise and sharp. 【Widely Application】: Perfect for wood chisel, planer, blade, engraver, carving knife, flat iron, flat chisel edge sharpening. Helps extend the service life of many chisels and irons with a perfect new edge.