100*18MM Aluminum Profile LED SMD Electronics Circuit Board Electrical Heat Sink/Equipment Product composition: radiator Material: 6063 nice aluminum Surface treatment: polished aluminum natural shade Machining requirements: sawing, drilling, tapping, polishing, deburring, etc. Purpose: LED, calories supply, calories amplifier, player, graphics card, north bridge, not easy disk, chassis, memory, video memory, computer, TV, ultrasonic, etc. Size: 100*18*L50MM