Perfect Design- To adapt to different types of chains with different holes, the chainsaw sharpener is designed with 2 fixed sharpening holes, one is fixed and the other moves back and forth. If your saw blade is single hole, you can remove the sliding rivets that can move back and forth and use. Safer- The chainsaw sharpening tool is easy to use outdoors and protect your hands from injury. The Chainsaw Sharpening Tool is installed in the sharpener and is ready to use to get your chain sharp in no time. Durable Material- The chainsaw sharpener is made of rust-proof stainless steel alloy material, which is durable and very strong. The pawls ensure accurate and repeatable tooth positioning. It only takes 3-5 seconds to clean a dull chain again. Easy to Install- The chainsaw dresser tool is installed in the sharpener and can be installed and used at any time, allowing your chain to be sharpened in a short time. Keep the chain and rails oiled to reduce friction and extend life. Best Choice- You will receive 2 sharpening heads, as well as the sharpener itself. Using the chainsaw sharpening jig will make your chainsaw sharp as new, saving you time and effort at work.It is a gift The perfect gift for men and a must-have chainsaw maintenance sharpener for lumberjacks and gardeners.