This multi-function manual impact driver set is ideal for removing stubborn or rusty screws in home repair, automotive, and machinery tasks. Crafted from high-quality steel, it features a solid, impact-resistant handle and self-locking marbles to keep bits secure. The anti-slip textured design ensures a comfortable grip, making it a reliable tool for both professionals and DIY enthusiasts.Features: Chrome Vanadium Steel Construction: Ensures durability and resistance to wear. Self-Locking Marbles: Keep bits securely in place, helping prevent them from falling off. Anti-Slip Textured Handle: Provides a comfortable, firm grip for easier operation. Dual Direction Function: Allows both loosening (counterclockwise) and tightening (clockwise) of screws. Versatile Application: Suitable for home repair, automotive work, and machinery maintenance. Specifications: Quantity: 7PCS Material: Chrome Vanadium Steel Bit Sizes: 35mm/1.37in, 70mm/2.75in (8mm/0.31in width) Note: There may be a 1-3cm size error due to manual measurement. Package Includes: 1 × Manual Impact Driver 6 × Driver Bits 1 × Storage Case Note: Please allow slight colour difference due to different monitor settings. There may be a 1-3cm size error due to manual measurement.