Oregon 532956 Chipmaster 12-Pack 4.5 mm Chain Saw Sharpening Files Go to amazon.com Related posts Top 7 best 4.5mm chainsaw file: Which is the best one in 2022? FeaturePrecision cutting-tooth anglesPrecision center-less grindUniform file diameter and tooth heightUniform hardeningQuality finishing, including sandblasting and demagnetizing DescriptionFILE, 4.5MM CHIPMASTER (BASIC)