About This Benchmark Abrasives 10" bastard-cut long flat files are double-sided handheld files that are both bastard coarseness and double-cut. Ideally used for shaping, sharpening, deburring, finishing, etc. on metals, plastics, and other materials. It is rectangular in cross-section and can withstand wear, pressure, or damage. This flat metal file can be used for general stock removal purposes and de-scaling, die casting, die forging, etc. Designed to meet industrial standards, our metal files are recommended to be used for a wide variety of hand-finishing applications. Its tooth design eliminates clogging during abrasive operations. Efficient bastard-cut hand files are used in various industries like automotive, transportation, shipbuilding, foundries, construction, woodworking, metalworks, fabrication, DIY, etc. All our abrasive products are made with quality materials and exceed ANSI and EU European Standards. We trust in delivering high-quality products to the end-user. Customer satisfaction is the lifeline of our brand.