Geekworm P165 11mm raspberry pi 4 embedded aluminum heatsink for raspberry pi 4 model b(1GB/ 2GB/ 4GB/ 8GB). Only equipped with 4 pieces M2.5 x 5 + 6 mm spacers for the P165-B embedded heatsink, you will need to prepare extra standoffs or screws for Raspberry Pi 4 with other expansion boards.
eBay