NIUNIU Sharpens Your Dull Chainsaw Hand Chainsaw Chain Sharpening Jig is made of high-quality alloy material, which is wear-resistant and durable. It's designed to sharpen your chainsaw in a quick, easy and precise way. Quick Sharpening When you start a project, you don't have to bother stopping to fix anything. The chain saw sharpener can clean a dull chain again in 3-5 seconds. Save time and energy by keeping your chainsaw sharp as new with a sharpening tool. Easy to carry This is a nice compact knife sharpener, perfect for when you don't have room for a larger knife sharpener or an election knife sharpener. Because this knife sharpener only weighs 2 pounds and is small enough to take anywhere. Compatible with most chainsaws This sharpener not only works with a variety of chainsaws and power saws to keep your chainsaw in tip-top shape, but is elegantly designed.Easy to use Find dull teeth and turn the handle Start sharpening, precise sharpening ensures every tooth is restored