These files are used for deburring of Aluminium workpieces
Hand files are generally used in workshops, maintenance shops. Hand files have the same cross-sectional dimensions as the Flat File but is blunt in shape (no taper). Double cut, it has one safe (uncut) edge which permits filing one surface without damaging an adjoining one.
Half round file is having one face flat and and another face concave in shape, they are used for filing out concave surfaces and crevices, and for rounding out holes. The spiral cut enables them to remove metal rapidly and leaves a smooth finish.