Checkered plates are used in many fields, but the most common use is as a tread plate. The tread plate is normally made from aluminum with different thicknesses. The easy machinability makes it a popular solution for truck beds, footplates, trailer floors, stairs as well as ambulance and car floors. It is also used as decoration and protective sheets of various designs in different industries. In fact, it works well with other metal gratings, which makes it very versatile.