Compact & Portable Storage : The included storage case keeps all 4 screwdrivers organized and protected , making it easy to carry for outdoor event , competitions , or on the go repairs sturdy Metal Construction : Made from premium metal materials , these screwdrivers excellent durability and resistance to deformation , making it ideal for long term use in accuracy model assembly and repair Ergonomic Comfortable Grip : Featuring a humanized handle design , the tools provide a comfortable and nonslip grip , reducing hand fatigue during extended use and enhancing operational accuracy Versatile Tool Set : Perfect for repairing various models , , and other hobby , this comprehensive set meets the needs of both enthusiasts and professional technicians with its multi size compatibility Accuracy Model Repair set : This set includes 4 sturdy hexagonal screwdrivers ( 1.5mm , 2.0mm , 2.5mm , 3.0mm ) specifically designed for model maintenance , ensuring accurate and efficient repairs for hobbyists and professional alike, Manufacturer: ERRORY