Powerful functions: This precision screwdriver set has 120 drill bits and 20 auxiliary tools, such as screwdrivers, flexible shafts, extension rods, magnetizers, magnetic pads, carbon fiber pry bars, and more. Whether you are a professional or an amateur in the IT world, this tool kit will become your right assistant for replacing/upgrading computer hardware performance, disassembling and assembling laptops, and mechanical keyboards， and cleaning drones, cameras, and other electronic devices. Wide range of applications: The bits in this computer technician tool kit include all models needed for daily maintenance. Such as Trox, Phillips, Pentalobe, Triwing, Slotted, Hex, etc. All bits are made of high-quality CR-V steel, which is quenched at high temperatures and has an HRC of up to 60. In addition, the dimensions have been strictly inspected by CNC machine tools to ensure a high-precision use experience. Ergonomic design: The is computer screwdriver set professionally designed to maximize repair efficiency. The 360° rotation design at the end of the handle is convenient for one-handed operation. Rubber anti-slip particles on the handle provide a comfortable grip. The head of the screwdriver adopts a push-in design and has a built-in magnet to absorb the bit. Comes with an adjustable extension pole and flexible shaft (360° rotation and 180° bending) to easily cope with complex environments.