... Low heat,high bright CE&ROHS Stainless Steel Led Letters to Make SignsStandard Channel Letters: -block, Serif,&Custom Letter Styles- ... efficient LED illuminated signage, from the simplest light box to huge landmark roadside and building signs. LED-Channel LettersLED ... are custom fabricated aluminum letters-welded, cleaned, and painted-ready to install. We fit our backlit channel letters, aluminum faces, ...