Pure Copper Heatsink DIY Heat Sink Radiator Cooling Cooler for Raspberry PI

4 Pcs Copper Heatsink 6x6x4mm, Heat Sink Cooler Radiator for Raspberry Pi

2 Pcs Copper Heatsink 20x20x3mm, Heat Sink Cooler Radiator for Raspberry Pi

4 Pcs Copper Heatsink 17x17x2mm, Heat Sink Cooler Radiator for Raspberry Pi

8 Pcs Copper Heatsink 13x13x3mm, Heat Sink Cooler Radiator for Raspberry Pi

Copper Heatsink 20x20x6mm, Heat Sink Cooler Radiator for Raspberry Pi