1.150 in Profession Screwdriver Kit150 in 1 professional screwdriver repair tool kit is designed by thousands of repair data refining, including the most common 120 magnetic screwdriver bits and 30 pieces of necessary tools. Electronics precision screwdriver set is designed for repairing cellphones, PC, laptops, computers, Nintendo switches, game consoles, watches, glasses, cameras, Xbox, other electronic devices 2.High Quanlity and Well PerformThe screwdriver bits are made of high-quality CR-V with high hardness, excellent precise and good toughness, which will not damage the devices. All of the size bits undergo rigorous quality control testing to make sure stable and not easily stripped, guarantee for long time use 3.Humanized DesignErgonomic and no-s design handle, it is comfortable to hold even for the long-time use. Interchangeable precise manual tool set is equipped with a hard extension shaft and a flexible extension shaft which is easy to be extended to a narrow place where the handle cannot enter 4.Rotatable Non-Slip HandleWorked quietly and smoothly, the aluminum alloy handle with a knurled non-slip treatment can easily fit with your finger and provide a comfortable hand feeling. 360° humanized rotating cap will not grind hands after long-lasting work. Sandblasted surface anodes treatment, anti-sweat, and anti-corrosion.