20-Piece Diamond Chainsaw Sharpener Set, Diamond Chainsaw Sharpener Burr Sharpening Stone for Chainsaws, 4.0mm Chainsaw File (Silver)

【Made from high-hardness emery for durability】Emery is a hard, rough mineral that makes the diamond sharpener a fine, natural abrasive used on metal for stripping and rust removal to eliminate burrs, making sharpening a simple and efficient task.

【Perfect size】Our product includes three different sizes of sharpening tips: the 4.0mm Chainsaw Sharpener is suitable for electric chainsaws (for 3/8" chain), the 4.8mm is suitable for small chainsaws (for 325 chain), and the 5.5mm is for large chainsaws (for 404 chain).

【Cost saving】You don't need to buy a new chain, saving you a lot of money. Diamond chainsaw sharpeners make sharpening much easier; you can sharpen a chainsaw to like-new condition in just minutes. [Ensure efficient cutting with your chainsaw] By sharpening your diamond chainsaw with this sharpener, you'll need less effort to cut through wood, as your chain will make cleaner cuts with sharpened blades. [Sharpens well, extends the life of the chainsaw engine] Sharpens very well; a sharp chain cuts quickly and in a relatively straight line. A sharp chain will extend the life of the chainsaw engine.