National Hardware N215-798 4075BC Expanded Steel in Plain Steel, 1 pack,24x12 Inch Product Description This flattened steel with 3/4" grid pattern can be used for machinery guards, screen door protectors, and ventilated motor housings. Item isn't treated for weather conditions; must be protected to prevent corrosion. Manufactured from 13 gauge hot-rolled steel. Comes in multiple sizes for every project needs.. From the Manufacturer Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Quality metal sheets and rod both threaded and smooth for all for your construction projects. Plain steel contract-it materials allow you to weld, form and fabricate easily because the steel is not treated with oil. The plain steel assortment includes angles, flats, sheets, sheet metal, channels, tubes and rods, rebar and squares, among others. Features Authorized Replacement for Stanley Hardware Stock #N215-798 Hot-rolled plain steel Must be protected to prevent corrosion USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.