Versatile 170-in-1 Precision Screwdriver Set: Professional mini screwdriver kit is versatile for various devices such as computer, PC, laptop, iPhone, mobile phone, MacBook, game console and controller, PlayStation, tablet, air conditioner, fan, refrigerator, glasses, camera and more. Practical Repair Tool: The screwdriver set professionally to maximize your repair ability. The screwdriver handle is ergonomically designed, with anti-slip particles; the alloy steel extension rod has high hardness, flexible extension tube is made of CRV springs, can be bent 180°. High Quality and Wide Application: 154 screwdriver bits made of high hardness CR-V steel, characterized by its high strength, wear resistance and corrosion resistance. Screwdriver handle is designed with premium PP and TPR material to prevent slippage. Different types of bits, can fit many shapes of screws to meet all demands. All-in-1 Repair Tools: The +/- magnet (built-in the box) can magnetize the bits to pick up small