1.[Spring Precision Screwdriver Set]Our cylinder roll-up box provides a convenient and secure storage solution for all your drill bits and accessories, preventing them from falling out and enhancing quick identification. When fully unfolded, it measures 8.3 inches, and it can be folded in various ways as per your needs. 2.[High-Quality and Sturdy]This set of 122 drill bits is made of durable alloy steel, ensuring a strong torque for repairing mobile phones, computers, watches, toys, and electronic products. It includes multiple accessories, such as an aluminum drive handle, steel double-headed pry bar, and steel tweezers, all designed to meet your various needs. 3.[All-Metal and Anti-Rust]The precision screwdriver set features all-metal parts that are frosted coated to prevent rust, ensuring durability and longevity. It makes a perfect gift for family and friends who need the tools for such work, making it both functional and appealing. 4.[All-Metal and Anti-Rust]The precision screwdriver set features all-metal parts that are frosted coated to prevent rust, ensuring durability and longevity. It makes a perfect gift for family and friends who need the tools for such work, making it both functional and appealing. 5.[128 in 1 Precision Screwdriver Set]This set of precision screwdrivers is designed to meet most of your repair needs for electronic products, including 108 28mm drill bits, 6 40mm drill bits, and various accessories. With the sturdy and high-quality design, you can enjoy using the set for a long time.