Ugreen 38 in 1 service screwdriver pentalobe bits screwdriver set (80459 CM372)A set of screwdrivers for professional service repairs of phones, smartphones, tablets, laptop consoles and many other electronic devices. They are needed if you want to service e.g. iPhone or MacBook laptops. It is also perfect for watchmaking, jewelery and other repairs that require precise tools.The magnetic tip makes it easy to screw in screws that will never fall off the screw again.