Review on GPIO Expansion Board for Raspberry Pi 4B/3B+ with Screws - HiLetgo Raspberry Pi Shield by Dusty Totherow

This expansion shield provides an effortless way to add functionality to your Raspberry Pi without sacrificing too much space. The entire process of installation is simple and quick. What's great about this product is that it provides screws that are easy to handle and won't rust over time. With this expansion shield, Computer enthusiasts will have more flexibility in adding new features to their systems. However, the shield doesn't include any information on what it is designed for and it's not always clear where certain components should be connected.