1[Versatile Screwdriver Bit Set] This screwdriver bit set includes 30 different types of bits, with star, hex, slot, cross, Y shape, triangular, pentalobe, and U shape, providing versatility for various screw types and sizes. 2[Precise Craftsmanship] This screwdriver kit can easily tighten or remove various screws, making it an essential tool for electronics repair and other precise tasks. 3[Steel Made] Made from premium CR R steel, these screwdriver bits can withstand long term use without easily wearing out, ensuring reliable and long lasting performance. 4[Comfortable Handle] The screwdriver handle is ergonomically designed for comfortable grip and efficient operation, providing excellent control during use. 5[Convenient Storage] This screwdriver set comes with a storage box, allowing you to neatly organize and carry the bits and accessories wherever you go.