Crescent Nicholson 7.56" American Pattern Round Knurl Cut Chainsaw File

The Crescent Nicholson round knurl-cut chainsaw file is designed with an American pattern for effective sharpening. To achieve the best results, align the file against the beveled cutting surface of the teeth at an angle ranging from 20 degree - 45 degree relative to the saw and file from the inside to the outside of the cutter. Begin by sharpening all left-hand cutters on one side of the chain, then switch to the other side to sharpen all right-hand cutters. Maintain a height difference between