Our basic signal design and construction entails multiple configuration, design and material options. Here are a few options listed by catagory. (Due to the multiple options and customizable nature of our products we encourage you to contact our helpful sales department with specific questions regarding your specific needs). Material: • Aluminum • Polycarbonate • Fiberglass Combination (10% fiber, 90% poly) Visor Options: (see below) LED Lens: • GE Gelcore • Dialight • Leotek • Precision • Incandescent lenses also available Hardware: • Pelco • Cost Cast Inc. Customer Specified Colors: Federal Yellow, Black, Dark Green, Louisiana Green, Gray, and Custom Backplates are designed for 12 inch, 8 inch, combination of 12 / 8 inch aluminum or polycarbonate vehicle signal heads and most any configuration and are manufactured in a variety of materials and styles, including plastic and aluminum; louvered or non-louvered. Most backplates are available with a border width of 5 or 8 inches and have a mounting elevator plumbizer option and are compatible with competitor offerings, and can be used effectively for replacement. Backplates are stocked and ready for immediate shipment. Custom backplates are also available Click Here to find out more about our backplate offerings Visors: • Cap Visor • Tunnel Visor Click here to find out more about our visors Introducing our new ABS Universal Backplate, developed in response to overwhelming demand to simplify backplate installations.  Click here for more information on the Universal Backplate Signal Code Chart, Click here to view our signal code chart and see the multiple Traffic light combinations we offer.