Easy and Fast Sharpening- Chainsaw sharpener provides a quick and easy way to sharpen your saw chain. A chainsaw can clean dull chains again in 3-5 seconds. The tool chainsaw sharpener is lightweight and portable, easy to use outdoors and protect your hands from injury. LIGHTWEIGHT AND PORTABLE- Made of high quality ABS plastic, this lightweight and durable chainsaw grinder can sharpen your tools anytime, anywhere. Particularly suitable for outdoor use. Intimate and perfect design- In order to adapt to different chains with different holes, the chainsaw sharpener is designed with 2 fixed sharpening holes, one fixed hole and one from front to back , which is very flexible. If there are two holes, check your chainsaw blade in advance. If your saw blade has a single hole, you can remove the sliding rivets that move back and forth and install them for use. Easy to install and use- The chainsaw sharpening tool is installed in the sharpener and can be installed and used at any time so that your chain can be sharpened in no time. Keep the chain and rails oiled to reduce friction and extend service life.