Linear Lighting – Custom Rigid LED Lighting Glen Good economical linear LED light for under cabinet lighting, retail display case, custom architectural lighting fixtures, and signage. Rigid aluminum light bars are available in lengths up to 72-inches. Available in several color temperatures and RGB. UL listed light bar with several color temperatures and RGB. This light bar is only 1/4-inch wide and tall making it easy to conceal. This light bar will produce ~400 lumens per foot of white light.