1. Robust Construction - The Honing Guide Jigs feature a hardened carbon steel roller wheel that resists wear, preventing flat spots from forming over time. - Its body, crafted from durable cast aluminum, is coated with anti - rust paint, ensuring long - lasting durability and protection against corrosion.2. Adjustable Clamping Range - Easily modify the clamping width by turning the screw - cap. - It accommodates chisels with widths ranging from 1/8" to 1 - 7/8", and plane irons from 1 - 3/8" to 3 - 1/8". - Comes with flat jaws for securely clamping mortise chisels and grooved jaws suitable for paring chisels and planer blades.3. Precise Angle Setting - Achieve accurate sharpening angles by adjusting the tool projection with the sharpening jig. - For example, a 30mm chisel projection sets a 30° angle, while 40mm gives a 25° angle. For plane irons, 38mm projection corresponds to 30°, and 50mm to 25°. - Additional angle settings are detailed in the included instruction manual.4. User - Friendly Operation - Although the Honing Jigs appear straightforward, first - time use may be confusing. - It is recommended to carefully follow the step - by - step instructions provided in the box to consistently achieve a perfect edge.5. Versatile Applications - This Honing Guide is suitable for a wide range of tools, including wood chisels, planers, blades, gravers, carving knives, plane irons, and flat chisels, facilitating edge sharpening. - It is easy to use with both oilstones and waterstones, making it a practical choice for various sharpening needs.