This is a good heat sink for use with high power 20W, 30W and 50W LEDs. The size is 80mm*49.5mm*50mm. The mounting holes and M3mm screws ensure easy fixing. You may refer to DC-LE14117 , DC-LE14118 and DC-LE14119 respectively for 20W, 50W and 30W LEDs.
Package Contents:
Heat Sink for 20W 30W 50W LED × 1
M3mm Screw × 4
Note: The accessories might be a little different from what you've seen on webpage since the accessories you received might be from different batch. However, it won't affect your use. Sure Electronics assumes no liability for any ambiguity caused by the product photos.