Precise positioning - the pawl acts as a stop device to ensure accurate and repeatable teeth positioning Precision maintenance - every time you grind your teeth, you only need to pull the chain.Precise sharpening to ensure that every teeth is repaired Easy to use - just fix the clamp to the rod, position the pawl on the teeth, insert the burr into the guide sleeve, and turn the handle The perfect choice - Anodized metal fixture, with detachable crank and a set of guide sleeves, can be used with most chain saws More fast & effective - Use the chain saw chain grinding jig to make your chain saw as sharp as new, making your work more time-saving and labor saving, Weight: 0.59745273002 pounds, Manufacturer: Zambuph