[ Positioning] Pull the chain forward to grind tooth and repeat the process. As you advance from one tooth to another, the pawl acts as a stop to accurate and repeatable tooth positioning. [Fast Sharpening] The chainsaw chain sharpener provides a simple and fast method of sharpening the saw chain. The chainsaw sharpener jig can make the dull chain clear again in just 3-5 seconds. [Wear ] The chainsaw chain sharpening jig is made of high-quality metal, wear , and not easy to rust. It is suitable for most chains on the market, and can your chains easily and quickly. [Easy To Use] Set the clamp to the rod, and position the pawl on the tooth, then insert the burr into the guide sleeve, finally turn the handle. The small size and design also makes it easy to carry., Weight: 0.55997414548 pounds, Manufacturer: Kueohse