A small multi-purpose screwdriver with a hardness of 55-60 HRC This small tool box has everything you need for household appliances, car repairs, laptops, smartphones, watches and other electronic devices 38 in 1 screwdriver with magnetic bit, including 28 knives and other small things, a handy little tool box that can hold everything and can be placed anywhere Humanized Design: The screwdriver bit is magnetic, allowing you to easily insert the miniature screws into the holes also equipped with an anti-static clamp, works efficiently and comfortably Comfortable handle: non-slip ergonomic handle, great comfort and high precision The extra extension piece extends the length of the handle and makes it easier to reach tight places After-sales service: If you have any questions, please let us know in time We will provide you with the best solution within 24 hours