NICHOLSON 3 pc file set contains 6" long Slim Taper file, 6" round file, and 6" mill bastard file in handy pouch. This NICHOLSON 3-piece file set most requested by technicians for cable preparation. NICHOLSON American Pattern files are double-cut on the sides and single cut on edges. They are rectangular in cross section and taper slightly towards point in width. Made in USA.