Part Number: Pi5-Active-Cooler-C Aluminum Heatsink For Raspberry Pi 5, With Thermal Pads And Spring-Loaded Push Pins Dedicated Aluminum Heatsink, Corrosion / Oxidation Resisting, Better Heat Dissipation Based On Pi 5. Matches the size and mounting holes of the Pi 5, With Thermal Pads Attach the thermal pads and fix the Aluminum Heatsink Via Spring-Loaded Push Pins