Features: Magnetic-precision screwdriver set: Multi-functional Mini 153 in 1 precision-interchangeable manual maintenance tool. Lightweight design, it has everything you need to repair various devices, such as computer laptops, mobile devices, watches and glasses. Quality: The high-precision screwdriver bit is made of impact resistant chrome-vanadium steel,. It greatly improves rust resistance and can withstand heavier loads. Secure & Organized: This tiny screwdriver set comes with a double-sided sturdy case. Each bit is securely molded into the storage slot Ergonomic Excellence: Designed for comfort and precise, the ergonomic-precision screwdriver features a non-slip grip and a free-spinning end cap to reduce hand fatigue during prolonged use. The included extension shaft and flexible extension further enhance the electronics tool kit's versatility. Widely used: Perfect electronic maintenance tool for PC, mobile phone, tablet, smartphone, jewelry, watch, glasses, camera, watch and other electronic devices. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: chrome-vanadium steel