P-1164 (12-pack) Herr 11/64" X 8" Green Tip Round File by Norman Prince Associates NPA Made in Switzerland NOS High Quality. 

For use with .325" pitch chainsaw chain.

Has NPA 4.5mm "swiss made" stamped on the file.

These are considered by many to be the best round file made.

This is for a 12-Pack of files.

New Old Stock very hard to find.

SR-6 TOP SHELF