Apex Tool 02229B Nicholson FILE, 8X3/16, RD, CHAINSAW, KNURL, 3/PK

8" x 3/16" Round Chainsaw File, Knurl Cut, 3 Files per Sealed Bag. American Pattern Round Chainsaw File. Tighten Tension on Chain to Firmly Support Cutters When Filing. File From Inside to Outside of Cutter. Place File Against Beveled Cutting Surface of Teeth 20° to 45° with Saw. Follow Saw Manufacturers' Specifications.