It can help you easily obtain the required sharpening angle and reach the edge of the tool. Using this grinding jig, all standard grinding angles can be obtained by the projection tool. Suitable for chisels, flat shovel, wood chisels, planers, milling cutters, more serious tools, iron planers, excavators, etc. Easily grasp the angle of the reinforcement tool, and make the reinforced blade and smooth. The center of is stable and non-slip. Adjustable clamping width, Clamping range 4-60mm. Designed together with the roller, it keeps the same direction when grinding, and is non-slip smooth. The printing/appearance from batch to batch, but not affect the use Colour:Black Material:Aluminum alloy + stainless steel + brass Package Contents: 1 x Manual sharpener 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.