ITEM NAME:10PCS Aluminum Heatsink Description: 10pcs 11*11*5mm Heatsink Cooling Fin Aluminum Heat Sink Cooler Made of high quality Aluminum, good thermal conductivity. It reduces the risk of hardware failure due to overheating. Dimension: 11mmx11mmx5mm/ 0.43x0.43x0.2inch (L*W*H) Fitment for IC circuit board, motherboard, triode, MOS tube, heat sink, power source heat sink of electronic audio power amplifier module, air-cooled aluminum heat sink. Package Includes: 10 Piece Aluminum Heatsink Cooling Fin SKU: FUZ0028385477010545.10pcs 11 11 5mm Heatsink Cooling Fin Aluminum Heat Sink Cooler. 10 Piece Aluminum Heatsink Cooling Fin. Made of high quality Aluminum, good thermal conductivity. SKU: FUZ0028385477010545.