... hard, brittle materials 2) Low cost, durability and exten 1, Material- high carbon steel, heat ... shapes are available: hand, flat, round, half-round, square and triangle 4, Sizes: 4-inch, 6-inch, 8- ... inch, 10-inch, 12-inch, 14-inch and 16-inch 5, Engineer files, needle files, diamond ... precision files, riffler files, milledfiles, chain saw files and farmer own files available 6, We can manufacture ...