4-Pack of 3" x 3" x 3/16" Steel Plates – These heavy-duty flat steel plates are made from 7-Gauge A36 carbon steel, offering exceptional strength, weldability, and reliability for a wide variety of applications. The hot rolled, pickled, and oiled finish creates a smoother, cleaner surface that's weld-ready and easy to prep for drilling, grinding, or coating. Perfect for bracing, mounting, structural reinforcement, or custom fabrication, these plates are a versatile solution for shop builds, trailers, equipment bases, and home projects. Whether you're a professional fabricator, contractor, or DIY builder, these plates deliver dependable performance you can trust. Proudly made in the USA for lasting durability and quality.