Black Aluminium Finish 6063 Extruded High Strength Aluminium Available with an Opal Polycarbonate Diffuser Each Metre includes two End Caps & Mounting Accessories Compatible with all foss LED Strips & Rigid Bars Available with straight and corner coupler components to be used when joining lengths together & fabricating corner shapes.   The LINEAR Effect: Extrusion depth of 33mm LINEAR finish when combined with 60+ LEDs per metre Strips & Rigid Bars