[Widely used] This precision screwdriver set has 120 screwdriver heads, equipped with each screwdriver head required for any maintenance or DIY project you need to solve. In addition, the repair kit has 22 practical accessories, such as magnetizers, magnetic pads, ESD tweezers, suction cups, dredgers, cleaning brushes, etc. Whether you are a professional or an amateur, the kit can meet your needs for repairing all mobile phones, computers, laptops, SSDs, iPads, game machines, tablets, glasses, HVAC, sewing machines, etc[Humanized design] This electronic screwdriver kit is professionally designed to maximize your maintenance capabilities. The screwdriver has a particle grip and an ergonomic rubber handle, with a rotating top to provide a comfortable grip and smooth rotation. The magnetic bit holder transmits magnetism through the screwdriver head to help you handle tiny screws. The flexible extension shaft can be used to remove the screws of the fastening points[Magnetic design] This set of professional tools has 2 magnetic tools, which will help save your energy and time. 5.7 * 3.3 inch magnetic item pad can keep all tiny screws and parts in order, prevent loss and confusion, and make your maintenance work more efficient. Magnetizing and demagnetizing tools can help strengthen the magnetism of the tip of the screwdriver to grasp the screw or weaken its magnetism to avoid damaging your sensitive electronic equipment[Sorting and portability] All screwdriver bits are stored in the rubber bit holder and marked with the type and size for quick identification. The maintenance tools are packed in a tear proof and shockproof oxford bag, which provides complete protection and orderly storage without worrying about losing anything. The tool bag with nylon belt is light and convenient to carry, or it can be placed at home, office, car, drawer, etc[Quality first] The precision drill bit is made of 60HRC chrome vanadium steel, which is wear-resistant, oxidation resistant, corrosion resistant, solid and durable, ensuring long-term use.