The Crescent Nicholson round knurl-cut chainsaw file with a set of 3 round chainsaw files is perfect for more aggressive sharpening. Proper chainsaw sharpening procedure is important; first, secure the chain with adequate tension to hold the cutters in place during filing. Then, file from the inside of the cutter to the outside, doing first the left-hand cutters and then the right-hand. Sharpen the teeth of your chainsaw’s chain at an angle between 20° and 45° degrees.

• • American pattern, round chainsaw file for sharpening the teeth of any chainsaw blade
• • Tighten tension on the chainsaw’s chain to firmly support cutting edge for filing
• • File from the inside to the outside of the cutter
• • Place file against beveled cutting surface of teeth at an angle of 20 to 45 with saw
• • Sharpen all left-hand cutters on one side of chain
• • Then move to the other side and file all the right-hand cutters