The function of this Aluminum Heat Sink is to cool down the TO-220 package ICs and make it operate safely. The aluminium heat sink reduces the risk of hardware failure because of overheating. Features: Prevents overheating of board Absorbs heat quickly Fast cooling Quantity of blade: 6 Material: Aluminum Color: Silver Package includes: 1 x Heat sink for Package – PI48 ( 25 x 24 x 16 mm) SKU: PGI-00872068 Category: E-Bike