【150 in 1 Screwdriver Set】 Precision screwdriver could be used in common repair for appliances, such as televisions, air conditioners, fans, refrigerators, cars, etc. It is also a necessity in the disassembly and maintenance of mobile phones, digital cameras, watches, glasses, laptops, laptops and game consoles. 【Smart Design with Case】Our precision screwdriver set built-in magnetizer to help keep small bits, screws, and other tiny accessories from getting lost. The tool box features a box-in-box design, adding a sub-box inside to store small accessories or screws independently.