Make quick, accurate cuts while maintaining and preserving the life of your chain saw blade with the Felled | Chainsaw Chain Sharpener Files 7/32-Inch 12-Pack. The precise file design allows you to slough off dull, burred metal quickly and easily to prevent clogging. The uniform medium 7/32-inch (5.6mm) file diameter and tooth height offer a fast, smooth, aggressive grind each time the file is used and fits most common tool sizes. Each file is constructed from high-strength steel for extra strength and longevity. Do not be left with dull blades or constantly replace your chain and instead keep your chain in pristine cutting condition with these 12 files. Chainsaw not included. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.