CNC machining, linear guide rail silky smooth and flexible silent grinding angle can be adjusted at will to adapt to different styles of chisels. The maximum clamping capacity is 53mm, and the grinding angle can be adjusted at will to adapt to different chisels. The grindstone adopts double-sided design, the rough surface of 1000 # can be sharpened, and the fine surface of 6000 # can be polished and sharpened. It can be sharpened quickly and safely without technology. The sharpening area is large, which can improve the grinding effect and is durable. Four corners are equipped with anti-slip foot pads, which will not slide during polishing and are easy to use and assemble. describe: Name: grinding and chiseling combination set Adjustable length: 183-220mm Sharpen specifications: 6000#+1000# Material: Metal colour: As shown Package Contents: 1 x grinding and chiseling combination set (1 x grinding stone, 1 x grinding stone bracket) 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.