Cheap option If your «old man» If you feel overwhelmed, sharpen your saw chains with a chainsaw sharpener instead of throwing/replacing them. It's a job that requires patience, and you'll love your “old” when it's ready. Chain sharpening kit for Chainsaw: The manual sharpener works like a pencil sharpener. When sharpening a saw chain Using a chain sharpener, place the clip on the rod, place the locking pawl on the tooth, insert the alarm into the guide sleeve and turn the handle. It only takes 3 to 10 minutes. 5 seconds to clean the shiny chain, it's quick and easy. Great accessory for tronç sander The sander The chain is made of aluminum alloy and stainless steel, which has strong wear resistance. corrosion, resistance to pressure and durability. Lightweight and portable The display The chainsaw sharpener measures only 9cm x 6cm x 5cm / 3.5" x 2.4" x 2", the chainsaw sharpener fits easily into your clothing bag or small pocket for outside. Very practical. Improved design The chainsaw sharpener is equipped with 2 sanding holes with an angle of 30, the left is a fixed hole and the right is an elastic hole that can be Moved back and forth to accommodate different types of hole chains Comes with 3 chainsaw files, perfect for loggers and gardeners who use sharpening tools for chainsaw.