Features: Crafted from high strength alloy steel, this impact screwdriver bit set is produced for durability and resistance to wear, making it ideal for difficult tasks. Featuring a variety of bit size, this set meets diverse screw requirements, while the auto-locking adapter design ensures easy and efficient operation. Perfect for professional technicians, DIY enthusiasts, and home repair individuals, this tool set simplifies various repair tasks. Enhances your efficiency in home renovations, furniture assembly, and automotive repairs with this functional screwdriver bit set. Whether you're tackling a complex project or simple maintenance, this screwdriver bit set offers reliability and accuracy for every job. Specifications: Component:Steel Type:7Pcs Set/13Pcs Set(Optional) Screwdriver Size:Approx.19x4.50cm/7.48x1.77inches Package Includes: 1Set Impact Screwdriver Bit Set note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!