Easy to sharpen With a flexible wheel, you can easily maintain the sharpening angle and thus perfectly sharpen the blade Free adjustment The span can be adjusted by turning the nut so you can adapt to blades of different widths High quality and durabilityMade of high quality stainless steel, rustproof and durable. How to useFixed angle, easy to use - Turn the locking screw counterclockwise, tighten the chisel or other tool, move it up and down to adjust the angle , then pull the locking screw inwards clockwise. The blade is smoothly attached to the whetstone or sharpener. Slide the knife back and forth until your tools are more precise and sharp Wide range of applications It is suitable for sharpening of scissors, planes, blades, knives, engraving knives, planing irons and scissor edges and is definitely a good helper when sharpening scissor blades Saves energy, but works well.