COMPLETE: This set contains a variety of tools - Besides various opening tools, it includes 16 precision bits (4 mm) and a precision screwdriver with a magnetic bit socket, knurled grip, and swivel top for easy operation. STARTER SET: You want to replace a broken screen or battery in your smartphone? This toolkit provides the necessary tools for a basic electronic repair. Compatible with Apple, Samsung, Huawei, Sony and many more devices! FUNCTIONAL: Thanks to the foam insert and magnetic closure of the case, tools, components and bits can be safely stored and transported. Additionally, the inside of the lid serves as a sorting tray. MUST-HAVE: This tool-set was designed to repair any smartphone, game console, tablet, PC, etc. It also serves for most household DIY fixes. These 16 precision-bits (4 mm) are made of high-quality S2 steel. The precisely machined bits fit properly into the screws and protect both the bit and the fasteners from damages. #repair #ifixit #toolkit