BEST COMBINATION: Kaisi 139 in 1 electronics repair tool kit professional includes 111 screwdriver bits (Phillips, Flathead, Torx, Torx Security, Pentalobe screwdriver and more), handle bar, extension bar, flexible extension shaft, anti-static wrist band, ultra-thin steel spudger, fiber nylon and plastic spudgers, triangle plastic picks, tweezers. Completely re-engineered to provide all the tools that you need, and none that you don't. | WIDE APPLICATION: Kaisi precision screwdriver kit with case is a professional repair tools kit for MacBook, PC, Computer, Laptop, Tablet, iPhone, iPad, Camera, Game Consoles, PS4/Xbox Controller, Watches, Glasses and other electronics. Whatever you are a professional or amateur in the IT world, you can easily use this electronics tool kit to repair computers, laptops and Game Console. This helpful repair kit is also as a cool and decent gift for your friends, father, husband, son, etc. | HIGH QUALITY MATERIAL: All bits are made of high quality CR-V steel by vulcanization, it's hardness can reach over HRC62°, which is harder than the ordinary steel material and more durable, all of standard size bit undergo the rigorous quality control testing, the tip is stable and not easily stripped. | HUMANIZED DESIGN: Ergonomic and press & push design handle, it is comfortable to hold even for the long-time use. For the bits that are often used in repairing electronic products, have 2pcs or 3pcs or 4pcs in this set, allows you to avoid damage due to repeated use need to buy a new replacement, save your money. And this precision set comes with a storage bag which is made from oxford, offering a whole protection, easier storage and carrying. | CUSTOMER FIRST: Customer satisfaction is our TOP Priority. If you don't like it or it has any issues with the quality or type, you can return it within 30 days, and we provide you the warranty of lifetime to this item. Our products are not satisfactory to every customers, but we will do our best to help every customer solve any problem. So please don't hesitate to contact us.