Vintage Carborundum Niagara Falls Sharpening Stone File #57 with Wood HandleStone & Handle in good condition with normal wear, all markings and advertising are legible. Made by Carborundum Inc.. This tool was used to sharpen things like Sickles, Hoes, Sythes, Mowers, and Section Knives. Comes with original box that is in fair condition. If you have any question's feel free to ask!