Made of high quality Aluminum, good thermal conductivity.
^^ Size: 178 x 115.5 x 23.6 mm / 7.0 x 4.54 x 0.93 inch (L x W x H) ^^ It sucks the heat away, thus can reduce the risk of hardware failure due to overheating. ^^ Widely used for Electronic, Circuit, Board, LED, Chip, Power Amplifier, Router, etc. ^^ Large sized heatsink with fins is designed to have more surface contact with component to allow more effective heat transfer.