Round chainsaw file for sharpening of the cutting tooth on the saw chain.The files are packed in a three pce protective skin pack with perforations for easy separation.12 three packs (36 files) are packed in a combined display/storage box.Round chainsaw file for sharpening of the cutting tooth on the chainsaw blade.Rigorous quality control is built into the product, from the incoming raw material of the highest grade to the finished products, which delivers consistent performance