Features:
- American pattern round chainsaw file
- Round shape, knurl cut, more aggressive sharpening
- 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
- 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 2 or 3 sharpenings
- Height between cutting teeth and depth gauge is between .020” to .030”
