Straight tang. File from inside to outside of cutter. Place file against beveled cutting surface of teeth 20 deg to 45 deg 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. Height between cutting teeth and depth gauge is between 0.020 to 0.030 in.
Crescent Nicholson 01630 Chainsaw File, Round
Crescent Nicholson 01765 Chainsaw File, Round
Warren 702278 Bar and Chain Oil, Clear, 425 deg F Flash, 1 qt
Warren 702277 Bar and Chain Oil, Clear, 425 deg F Flash, 1 gal