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 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 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: BOYANDM