This fret is just like NM013 only the mesh is organized diagonally. Perfect for venting, grillwork and if painted a rust brown, highly detailed lattice work. Many of the earlier switchers had this style screen in front of their forward-facing cooling fans. Easily make realistic appearing air-conditioning grills. Adds terrific detail to floor drain plating and catwalks in all kinds of industry. Take super-detailing to the next level and make real see-through steps and walkways for your rolling stock and locomotives. The possibilities are endless.