Specification: Features Magnetic-precision screwdriver set: multi-functional Mini 138 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. Durable and high-quality: The screwdriver head and shaft of the multi small screwdriver set are made of impact resistant steel, which is a mixture of alloy. It greatly improves rust resistance and can withstand heavier loads. The hardness can HRC52 56. All maintenance tools are subject to high quality testing and are guaranteed to be used for a long time. Easy to carry: professional storage box is used, and the placement position and size of accessories are very uniform, so they will not fall out. In addition, integrated magnetizers and demagnetizers, as well as suction cups, triangular plates, , flexible extension rods, etc. are all available for easy disassembly and storage Widely used: Perfect electronic maintenance tool for PC, mobile phone, tablet, smartphone, jewelry, watch, glasses, camera, watch and other electronic devices. After-service: If you have any questions after receiving the product, please feel free to contact us and we will provide you with a satisfactory answer. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: chrome-vanadium alloy steel Package List: 1x Screwdriver Set