... .3) Material: High carbon tool steel T12 GCr15, induction hardened and tempered; HRC62-65-degree4) Shape: Square, Flat, Tri-angle, ... files, precisionfiles, riffler files, milled files, chain saw files and farmer own files6) Chain saw file sizes: a) 200 x ... tools madeof tungsten carbide, steels 40Hrc and up, ceramic materials and glass.5) Packing: 10pcs/set, slide card or upon requestHollow punch: ...