The STIHL file holder with round file (for saw chains) helps you sharpen a chainsaw and use the correct filing angle on the saw chain. It supports professionals and domestic users alike in achieving optimum sharpness so they can continue felling small trees or chopping thicker branches, for example for firewood, using their chainsaw. Simply guide the STIHL round file horizontally on the cutting tooth to sharpen all teeth evenly. You can use the STIHL filing gauge to check the depth gauge height afterwards.The practical handle means the file sits comfortably and securely in the hand when sharpening. The hardened steel of the file ensures a long service life.