Pure Copper Heat Sink Radiator Passive Thermal Conductive for Raspberry Pi 4B Features: l Brand new and high quality l Copper heat sink, better heat dissipation performance l Easy and convenient to install and remove l Fine workmanship and perfect style l With thermal conductive tape to provide better heat dissipation effect Specification: l Material: Copper l Applicable Model: for Raspberry Pi 4B Package: l 1x Copper Heat Sink l 1x Acrylic Board l 17x Screw l 1x Wrench l 10x Thermal pad