The LYNE 1818 Corner Profile is a surface mounted extrusion with sufficient depth to reduce light hot spotting. Aluminium profile with snap-fit diffuser. Designed for mounting LED strip up to 12mm width. Channels on the sides of the profile allow you to clip the profile into metal clips. Plastic end caps come in pairs. One having a hole for the wires to pass through. Designed to fit into corners and emit diffused light on a 45° angle.