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.

• 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 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
• Check depth gauge height every two or three sharpening
• Height between cutting teeth and depth gauge is between 0.02 to 0.03 in

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/Crescent_Nicholson_100003674_Catalog.pdf