Bahco 4-138-08-1-0 Bastard Cut Mill Saw File, 8-Inch, 46 TPI Designed for circular, felling and gang saws with fine tooting, including band saws Excels at draw and fine filing, polishing and debarring work Used in the engineering industry as a lathe and debarring file File is parallel and thin with surface and edge having single cut and one round edge