Made of high-grade alloy steel for durability and hardness, it features an ergonomic T-shaped handle for a comfortable grip and a portable storage case to organize all your small items This versatile 30 in 1 ratchet driver set features a multi-functional design that provides a comprehensive solution for your repair needs including cell phone and tablet maintenance The precision ratchet mechanism ensures efficient locking and release, increasing productivity for frequent repairs Designed for professional technicians and hobbyists to meet the needs of users who need tools to repair complex electronic devices Suitable for a variety of environments such as home, travel and can quickly disassemble and assemble smartphones, tablets and other gadgets, Manufacturer: Tertioi