1. 【Quick and accurate】In just a few minutes, a dull chain can be transformed into a sharp one. The chainsaw chain sharpener can precisely adjust the gears and quickly restore the chainsaw to its like - new condition. It is very convenient to use. 2. 【High - quality materials】The chainsaw sharpener is made of high - quality alloys and stainless steel. It is very strong and durable, resistant to corrosion and pressure, rust - proof, and has a long service life. Please purchase with confidence. 3. 【Easy to use】Simply connect the ratchet to the sprocket and shake the handle to quickly sharpen the chain. It can be fixed in just a few seconds. The package includes 3 chain sharpening rods and an instruction manual. 4. 【Lightweight and convenient】The handheld chain sharpener is small and lightweight, and can be carried around. It can be placed in an outdoor bag or a tool kit and used anytime, anywhere, which is very convenient. 5. 【Suitable for all chainsaws】This chainsaw sharpener is suitable for all types of chainsaws on the market. It is an excellent chainsaw accessory and definitely a great helper for improving work efficiency.