Features: Durable and Versatile: The d1 impact driver bit set is designed to withstand high-impact applications and is suitable for use with impact drivers making it a reliable choice for any project. Enhanced Performance: The updated magnetic screwdriver set features strong magnetic screwdriver bits that securely hold screws in place ensuring precise and efficient work every time. High Precision Optimization: Crafted with meticulous attention to detail these screwdriver bits are made from good-quality materials for superior performance and longevity. Powerful Torque: The strong torque of these bits allows for easy penetration through metal plates saving you time and effort while greatly improving work efficiency. Break-Resistant Design: The screwdriver bits are effectively designed to prevent the cutter head from breaking providing added durability and longevity for long-lasting use. Specifications: Material: Metal Suitable for: Impact Drivers Notes: Please allow slightly errors due to manual measurement and different monitors. includes: 1*D1 Impact Driver Bit Set OR 2PCS*D1 Impact Driver Bit Set "