Features: 1. The Honing Guide Jigs used a hardened carbon steel roller wheel which will not wear down over time or develop flat spots.The body of chisel sharpener is made from durable cast aluminum. Totally coated with anti-rust paint,not easy to rust,lasting and durable. 2. Adjust the Clamping Width by Rotating the Screw-Cap. Includes flat jaws for clamping mortise chisels, and grooved jaws for clamping paring chisels and planer blades. 3. Sharpening angles can be accurated to set using sharpening jig by adjusting the tool projection. If chisel projection 30mm for 30 and 40mm for 25 angles, planeiron projection 38mm for 30 and 50mm for 25 angles. More angles, kindly refer the instruction in the package. 4. Honing Jigs seems simple to use, however maybe you are confused in the first time. So please kindly read the instruction step by step when you open the box, then get the perfect edge each time. 5. The Honing Guide can be used for Wood Chisel,Planer,Blade,Graver,Graving Knife,Plane Iron,Flat Chisel,Edge Sharpening. And Easy-to-use works on both oilstones and waterstones. Specification: 100% new and super high quality. Item Name:Manual sharpener Material:Metal Color:As the picture show Size:40mm/1.57in*70mm/2.75in Inner clamping range: 0-50mm Outer clamping range: 36-86mm Package includes: 1 x Manual sharpener Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement. _x000D_ _x000D_