SleekLighting Extruded Aluminium U Shape Channel (1m/3.3ft) - Pack of 5- Ultra Slim - Sturdy Profile - End Caps/ Mounting Clips - Including A 10M Long Wire! SUPERBLY DESIGNED: Our pack of 5 ultra-thin extruded U-shaped aluminium channels, at 3.3ft per segment, diffuse light like a dream. AMAZINGLY VERSATILE: An inner width of 12.2mm accommodates all types of 8-10mm LED ribbons and 12mm waterproof strips. INCREDIBLE HEAT SINK: The generously grooved anodized aluminium channels absorb and dissipate the heat emitted by the LEDs. PERFECT SHIELD FOR LED STRIPS: Rigid aluminium material protects delicate LED strips from dust and physical contact and makes for effortless installation. 10M LONG WIRE: Weve thrown in a whole 10 meters of supreme quality wire to give you amazing value.