Professional Design: Designed for high-speed torque applications, our drill bits are built to resist distortion and breakage under intense conditions. Various Specifications: This comprehensive set includes sizes 50mm, 65mm, 75mm, 100mm, 120mm, and 150mm, crafted to endure the demands of repeated use without losing their magnetic properties. Each bit is designed to fit a variety of screw types and sizes, making it a versatile addition to any toolkit. Versatile Usage: Whether you're a professional contractor or a DIY enthusiast, this screwdriver drill bit set is perfectly suited for a wide range of applications. High Magnetic Screwdriver Drill Bit: Engineered with a powerful magnetic hold, this screwdriver drill bit set ensures screws stay securely in place, boosting your productivity and reducing work-related frustrations. Ideal for both professional and home use, the set's magnetic strength remains consistent even after extensive use. Easy to Store: Keep your workspace organized and your tools at hand with the included plastic storage box., Weight: 0.43210603352 Pounds, Manufacturer: Frewurwer