1、Premium Material: Made of high strength aluminum alloy material, it is strong, wear-resistant and long-lasting. 2、Easy Operation: This sharpening guide holds the tool at a fixed angle to the sharpening stone so that the entire edges can be sharpened evenly. It is easier to get flat consistent sloping edges and cleaner cuts. 3、Widen Roller Design: The roller is widened to ensure a smooth sharpening process that is easier and smoother. 4、Adjustable Sharpening Angle: It is easy to obtain a standard sharpening angle by adjusting the distance between the chisel and the sharpening guide to meet different usage scenarios. 5、Adjustable Width: You can attach chisels and planer blades from 0 to 66mm, covering commonly used sizes. 6、Wide Applications: The fixed-angle grinder has the advantage of high efficiency and easy operation, and is widely used in machinery manufacturing, metalworking, woodworking and other industries.