JK Files & Tools manufactures Single or Double Cut Regular Mill Files. JK Files & Tools is an ISO 9001: 2000 certified company. The Single or Double Cut Regular Mill Files are available with round edges that prevents the files from causing sharp corners or edges in the gullets of circular crosscut saws. The Files are made in Bastard, Second Cut and Smooth with 1 or 2 round edge. The Regular Mill Files are used in sharpening saws.