About this item Ultra thin U-shape Anodized silver aluminum extrusion with flange for both recessed and surface mount LED lighting projects 12mm inner width for PCB width<12mm LED Strips,such as 3528, 5050 & 5630 LED strips. Oyster white cover: provide a well diffused light that is comparable to neon effect, ideal for decorative and accent lighting Aircraft grade aluminum , better heat dissipation, providing great protect for delicate LED strip lights Pack of 25, 6.6ft/2M per segment…