Anodized Aluminum channel rail for LED displays and more. FEATURES: Accomodates LED Ribbon or PCB up to 10mm width. Recessed Designed. End Caps Suppiled - one end cap with hole and one without. Custom Length to meet your specific needs. Frosted or Clear lens options. Supplied alone or with LEDs, wire and connectors installed (consult JKL).Excellently suited for retail displays, shopping areas, architectural features, linear illumination, museum exhibits and more.