Description: 1Ming vanadium steel alloy material, high hardness, more durable 2Strong magnetic design on the head, which can easily absorb screws and improve work efficiency 3Non-slip handle design, comfortable to touch 4 Retractable adjustment interface, press down to adjust the bit length and change slightly5Precision bits, various sizes to meet your needs Specifications: Name: Multi-function screwdriver set Model: 13-IN-1 Material: Chrome vanadium steel Color : silver and black 12 kinds of screwdrivers (as picture) Length: 105mm Package includes: 1 set * screwdriver Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.