White Aluminium Finish 6063 Extruded High Strength Aluminium Choice of Clear, Opal and Black Polycarbonate Diffusers Each Metre includes two End Caps & Mounting Accessories Compatible with all LED Strips apart from FLSR7, FLSCBY5 & FLSY6 in IP65 The LINEAR Effect: Extrusion depth of 14mm Pair with a LED Strip of 120 LEDs + to produce a no dotted Linear Effect