FIBERworks UltraGlow Step Entry Kit - 24 ft. Vinly UltraGlow is translucent, side illuminating fiber optic cable designed to install under the coping of your pool or spa. UltraGlow 25, 50 and 75 installs in a variety of simple, professional patented track systems, for concrete, vinyl or fiberglass. Fiber Optic Track is also available in concrete coping forms and vinyl liner aluminum coping from the manufacturer's listed below. (When appropriate be sure to specify FW cable.) Perimeter Cable (patent #5,680,496). Ultra Glow. Available in 25, 50 or 75 fibers. UltraGlow 50, 100% brighter than 25 fibers. UltraGlow 75 triple the brilliance of 25 fibers. FW Glow. Available in 25 or 50 fibers. Circular perimeter cable. Easily installs inside Cinderella or Ft. Wayne coping. C-Track, L-Track, Other Tracks. Available in clear or white PVC. Cleaner design for professional gunite and fiberglass installs. Stainless steel screws and anchors included. Rigid PVC, can be for