Solid MaterialMade of high-quality carbon steel material coated with anti-rust paint, the chisel honing guide is rustproof, wear-resistant and corrosion-resistant with high hardness. Adjustable Clamp WidthWith the screw cap, you can easily adjust the width of clamp block. The sharpening guide jig fits the chisels from 4mm to 50mm in width, and plane irons from 36mm to 86mm in width. Accurate Grinding AngleAfter tightening the chisel or other tools, you can move the tool back and forth to adjust the sharpening angles. The chisel projection 32mm for 30 and 40mm for 25, and planer projection 38mm for 30 and 50mm for 25 angles. Convenient DesignThe smooth iron guide rod and steel booster wheel can stably sharpen the blades. The honing guide jig can precisely sharpen the edges due to the working face of tools is carefully processed. Practical Grinding ToolOur metal honing guide jig is suitable for sharpening wood chisel, plane iron, planer, carving knife, graver, flat chisel and other more cutting tools on oilstone and waterstone, making your work easier and more efficient.