I've got 2 of the premium Rapid LED heatsinks and enclosures left over from various LED projects. They are both silver 6x20 inch heatsinks with T slots for easy LED mounting and moving. Both also have fans secured to the backside with wiring. One of the heatsinks has 3 each of Red, Cyan, Violet, and Blue 3 watt leds and 2x warm white and 4x cool white Bridgelux BXRA COB leds; just too lazy to take them off, so they are included. Asking $80 for both plus shipping or $45 for the one without leds and $55 for the one with.