Crescent Nicholson 15991NNN Three Square Smooth File 6 Inch 152 mm

6 inch hand-pattern smooth file at 152 mm. Parallel-edge hand file with one safe edge, used by machinists and fab shop techs for finish work on flat surfaces.

6 inch mill smooth file at 152 mm. Fine single-cut pattern for finishing and draw filing on steel in fabrication and machine shop work.

Knife smooth file at 6 inches, 152 mm. Fine-cut tapered file for finish work in narrow slots and acute-angle joints in fabrication and machine work.

6 inch flat double-cut smooth file, 152 mm. Used for finishing work after coarser bastard files in fabrication shops and on field maintenance jobs.

Flat bastard file at 6 inches, 152 mm length. Coarse-tooth pattern for stock removal in fabrication, weld cleanup, and industrial maintenance work.