1、【Premium Material】: Made of high strength aluminum alloy material, it is strong, wear-resistant and long-lasting. 2、【Extended Roller Design】: Longer roller design makes it more stable fixed and easier to keep smooth when pushing back and forth, and the grinding stone is not easy to wear, the roller keeps the right angle for you all the time. 3、【Adjustable Sharpening Angle】: Measuring scale design, the grinding angle can be adjusted by adjusting the length of the clamped object and fixing the grinding angle against the scale, it is easy to obtain a standard grinding angle to meet different application scenarios. 4、【Adjustable Clamping】: You can control the size of the opening and adjust the clamping ranges by adjusting the hand screw nut, covering commonly used sizes. The three-point clamping design, the tool does not wobble, increased accessories clamping more solid, applicable to more tool types. 5、【Easy Operation】: This sharpening guide holds the tool at a fixed angle to the whetstone so that the entire edges can be sharpened evenly. It is easier to get flat consistent sloping edges and cleaner cuts. 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. Suitable for planing knives, chisel knives, shovel knives, carving knives, artisan knives, cutting knives and so on.