Apex Tool 02144N Nicholson FILE, 6X1/8, RD CHAINSAW, KNURL CUT, 6/BX

6" x 1/8" Round Chainsaw File, Knurl Cut. 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.