4pcs 40x40x11mm Aluminum Heat Sink Heatsink Cooling

4Pcs 40x40x11mm Aluminum Heat Sink Heatsink Cooling For IC Power LED Transistor Description: Function of this aluminum heat sink is to cool down the board and make it operate safely. The aluminum heat sink can reduce the risk of hardware failure because of overheating. Will cool more LEDs if work with a fan Material: Aluminum Color: Black Weight: 20g Size: 40 x 40 x 11mm Application: LED, Power IC, Memory, Transistor etc. Package included: 4 x Aluminum heat sink 40 x 40 x 11mm