This screwdriver set has 120 different bits(Phillips, Flathead, Torx, Torx Security, Pentalobe, Triwing and more), which is useful for laptop, PC building, cell phone, tablet, MacBook, iPhone, iPad, game consoles/controller, Ring doorbell, sewing machine, HVAC, knife and more. This is the toolkit every DIYer, fixer, hobbyist, and professional needs to tackle any job, It is also a decent and cool gift for family, friends, colleagues, etc | All precision bits are made of CR-V steel ,it's hardness can reach over HRC62°, resist abrasion, oxidation and corrosion. The tip is sturdy, durable and not easily stripped, ensure long time use. Every bit is engraved part number and size for fast recognition. In addition, this screwdriver bit set gives you duplicates for the most commonly used bits in case one gets lost | It has a storage box that will surprise you, the switch is controlled by a powerful magnet, It has a cool way of opens and present all the bits, 120 screwdriver bits and other accessories are cleverly combined to provide full protection, and it can be quickly put away after use, because of its compactness, it makes It rolls up easily into a carry kit or fanny pack | Ergonomic handle made of aluminum alloy, built-in magnet on the handle head, it will actively absorb the drive bits, super smooth swivel cap allows you to apply constant pressure while rotating. the magnetizer demagnetizer tool can adjust the magnetism of the bits, strong magnetism for grabbing screws, and weak for protecting sensitive electronics. the flexible extension shaft helps to reach narrow positions. and the various accessories in the kit make your repair work easier and more efficient | We have a professional team and always ready to provide the best service to each of our customers and expect the cooperation are beginning, If you have any question,please feel free to contact us any time