LED Cool Lights, Heavy Duty Aluminum 1" (W) X 0.43" (H) X 0.48" (inside dimension), fixture with Acrylic Lens, are ideal for LED Tape Lights. The fixtures are available in 4ft lengths or can be custom ordered to sizes up to 10ft lengths. The Aluminum Extrusions come with a Milk or Clear Diffuser Lens. This fixture will fit the 3528 or 5050 LED Waterproof Tape Light.