Pure Copper Heatsink 80mm Radiator Skiving Fin for Electronic Chip LED Amplifier

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100x50x15mm Copper Heatsink Cooler for Electronic Chip LED Amplifier Radiator

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2Pcs Pure Copper Heatsink 1.18" x 1.18" x 0.43" / 30mm x 30mm x 11mm Skiving Fin Heat Sink Cooling for Electronic CHIP IC MOS 3D Printer Heat Dissipation