Stanley 22-308 8-Inch Half Round Bastard File Half Round File Tapered In Width And Thickness For Filing Inside Of Rings And Round Holes Stanley - Black & Decker Bastard Teeth Spacing For General-Purpose Tool Sharpening And Material Smoothing Half Round File Tapered In Width And Thickness For Filing Inside Of Rings And Round Holes Double-Cut Pattern For Moderate Removal Of Material Bastard Teeth Spacing For General-Purpose Tool Sharpening And Material Smoothing