This 8 inch flat mill file is such a versatile tool to have in your workshop! Made from quality T12 carbon tool steel, it's seriously durable and maintains its cutting ability through heavy use. The single texture teeth are uniform and smooth, providing excellent cutting performance for grinding, smoothing, and dressing various metals. It works great on steel, copper, aluminum, and other metal materials - perfect for sharpening tools, smoothing rough edges, or general metalworking tasks. The file measures about 12.4 inches total length (8 inch file portion) and weighs 5.7 ounces, giving it a good heft without being too heavy. The rubber handle is super comfortable and non-slip, reducing hand fatigue during extended use. The flat cross-section design makes it ideal for working on flat surfaces or creating straight edges. Whether you're a professional metalworker, DIY enthusiast, or just need a reliable file for occasional projects, this one delivers solid performance. The second tooth size provides that perfect balance between aggressive cutting and smooth finishing. After use, just remember to brush off the iron filings before storage and keep it in a dry place to prevent rust. This isn't one of those cheap files that dulls quickly - the T12 carbon steel holds its edge impressively well. If you do any metalworking, sharpening, or fabrication work, having a quality flat file like this is absolutely essential. It's one of those basic tools that you'll reach for again and again because it just works so well!