JKL’s channel rails are available in a range of styles and lens options.Paired with our wide range of LED flex ribbons, a custom LED fixture is easily achieved. 12VDC and 24VDC options can be selected along withbrightness, LED color, lens style and connector options. Lengths of up to6.5 feet can be created and lens options include clear and variouslevels of diffusion. The majority of JKL’s channel rails include ananodized matte finish and select models offer a choice of hightemperature polycarbonate lenses. Additionally, the aluminum railsoffer a perfect heat sink for the LED flex ribbon and improve thelongevity of the LEDs.[quote][b]Models utilizing the polycarbonate lenses are accompanied by following warning - WARNING: This product can expose you to chemicals including Bisphenol A and Dichloromethayne (Methylene Chloride)which are known to the State of California to cause Cancer and/or reproductive harm. For more information go to: www.P65warnings.ca.gov[/b][/quote]