1.Excellent 6150 Chrome Vanadium Steel for Durability and Strength:The screwdriver shafts are meticulously forged from 6150 Chrome Vanadium Steel, a premium material renowned for its exceptional hardness and toughness. This ensures the tools' robustness and longevity, surpassing most carbon steel counterparts in their ability to withstand intense usage and harsh working conditions, while maintaining stable performance and pristine condition.2.Ergonomic Handle for Comfort, Control, and Efficient Work:Recognizing the paramount importance of operational experience, we've integrated the finest qualities of PP and TPR materials into the handle design. PP provides a solid foundation, while TPR a soft, comfortable grip, significantly reducing hand fatigue during prolonged use. This ensures that every operation is executed with heightened efficiency and pleasure.3.131piece magnetic screwdriver set: comprehensive versatile. Features 21 magnetic tips for screw grip, 4 pickshooks for oil seals cleaning, 8 telecom screwdrivers, 60 bits for diverse tightening, 16 hex (8 metric, 8 SAE), 18 sockets (9 each).4.Thoughtful Storage for Easy Access:The 131piece magnetic screwdriver set comes with a durable plastic tool rack, featuring a rational design and robust structure, which effortlessly accommodates and organizes every tool within. This keeps your toolbox organized and clutter. Each screwdriver is clearly marked with its specifications on the handle, facilitating quick and intuitive tool selection, thereby enhancing work efficiency.