Material: This chisel sharpener is solidly machined from premium aluminum. Its wear- and anti- properties that it not rust even after years of use. Angle Fixing Tool: A honing guide that effortlessly fixes and adjusts the angle of your chisel edge as it contacts the whetstone, resulting in a uniformly sharpened knife edge. It also simplifies the sharpening process, making it more convenient . Stable Scroll Wheel: The honing guide with a widened roller at the bottom, this tool allows you to effortlessly sharpen your chisel by simply scrolling back and forth. The wheels provide greater stability, ensuring that your work is done with precision and smoothness. Adjustable Clamping Width: Adjust the Clamping Width by Rotating the Screw-Cap.This sharpening guide fit chisels 0- 2.25inch in width, and plane irons 0.25-2.5inch in width. Includes flat jaws for clamping mortise chisels, and grooved jaws for clamping paring chisels and planer blades. Wide Application: The chisel sharpening jig can be used for wood chisel, planer, blade, graver, graving knife, plane iron, flat chisel, edge sharpening. Colour:Red Material:aluminum alloy Package Contents: 1 x chisel sharpening jig 1 x protractor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.