115-in-1 repair kit with 98 types of screwdriver bits. All bits are magnetic and securely connect to the handle for reliable operation. Magnetic precision bits for stable connection and accurate work. The bits attach to the handle magnetically for quick exchanges and reduced dropped screws. Comfortable ergonomical non-slip handle. The extension bar lengthens the handle to reach narrow spaces, improving control and precision. Multifunctional design meets a range of needs. Suitable for repairing or opening smartphones, tablets, laptops, mobile devices, wrist watches, eyeglasses and other electronic devices. Easy to carry and organize. Comes with a storage case for convenient portability and to keep tools neatly organized. Material and quality. Made of chrome-vanadium steel, non-toxic with strong hardness, durable and precise. Use scenarios - Open and repair smartphones, tablets, and laptops on the go or at home. - Service wrist watches and eyeglasses that require small, precise screws. - Perform electronics maintenance in tight spaces or in field settings.