?Compact & Portable?All repair tools are stored in a plastic case(LxWxH: 9.44"x4.33"x1.10"), offering a whole protection and organized storage, no more worry about losing and messing up anything. The case is light and handy, easy to carry out, or placed in the house, office, car, drawer and other places. ?Practical Accessories?The magnetizer demagnetizer tool can adjust the magnetism of the bits, strong magnetism for grabbing screws, and weak for protecting sensitive electronics. One flexible extension shaft helps to reach tight spot. The 1/4" to 4mm driver adapter allows the bits to be used by electric screwdriver. The opening picks and spudger help you open tech devices and safely remove components with ease. ?Humanized Design?The small screwdriver kit has been upgraded for maximum humanization, makes your repair job easier and more efficient. Super smooth swivel cap allows you to apply constant pressure while rotating. The PP+TPR handle is ergonomic designed to provide comfortable grip and enough torque. Magnetic bit holder transmits magnetism through the screwdriver bit, helping you handle tiny screws and electronic parts. ?Durability & Reliability?All precision bits are made of Chromium-vanadium steel which is 60HRC hardness, 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. ?Variety & Versatility?This screwdriver set has 110 different bits(Phillips, Flat Head, Torx, Torx Security, Pentalobe, Hex, Gamebit, etc), 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, also a decent gift for your families, friends, colleagues, etc.