Features： 1、1. Quick Sharpening: The new chain jagged knife grinding device provides a simple and fast method for the sharp chain. The chainsaw can be sharpened and cleaned again in 2-4 seconds. 2、2. Easy to Use: Just put the fixture on the pole, the time on the position of the teeth, insert the burrs into the guide plate, and then rotate the handle. 3、3. Extensive application: Standard 45 ° front angle of sharpness, anode aluminum alumina fixed device and a set of guidelines with detachable crank, which can be used for 14-20in saw chains. 4、4. Precise Positioning: The pawl ensures accurate and repeatable tooth placement. 5、5. Safe to Use: The chainsaw sharpening tool is lightweight, easy to carry outdoors, and protect both hands from injury. Specification： Material: Auminium alloy Color: Yellow Package Size: 16 × 13 × 8 cm Weight: 330 g, 360 g, 13 g Package List： 1× Chainsaw Sharpener Kit or 1× Tool