Premium Alloy Steel Construction: Crafted from sturdy alloy steel, these bits excellent wear resistance and protections, ensuring durability and efficient in various working conditions Storage Solution: Comes with a dedicated storage case that keeps all tools neatly organized for easy portability and access, loss whether at home or on job site Complete Screwdriver Bit Set: This 33 piece set includes stuffed and hollow bits in various types like hexagonal, plums flower, flated, and crosses, providing comprehensive solution for different screw needs in homes repairs and professional projects accuracy Fit Design: Each bit is precisely machined to perfectly matching corresponding screw types, minimizing slippage and ensuring efficient, safe operations during every use Versatile Applications: Ideal for multiple scenarios including furniture assembly, electronic repairs, and appliance installation, perfect for both craft enthusiasts and professional technicians, Manufacturer: YIGZYCN