1.Strong Magnetic Hold: Each bit features a powerful magnetic tip that securely holds screws in place, preventing slips and stripping during use. This strong hold allows for faster and more precise screw placement, improving overall efficiency whether you're working overhead or in tight spaces 2.Versatile Size Options: Includes multiple bit lengths: 50mm, 65mm, 75mm, 100mm, 120mm, and 150mm. These sizes give you the flexibility to handle tasks of all scales while maintaining strong magnetic performance and longlasting wear resistance through repeated use 3.Built for High Torque: The back preparation drill head is specially designed to flex under high load, evenly distributing pressure and minimizing breakage. This added resilience ensures superior durability and consistent performance in heavyduty, hightorque applications 4.SlipResistant Design: Engineered with antislip teeth, these bits maintain a solid grip on screw heads, reducing camout and improving accuracy. Whether you're driving long screws or dealing with stubborn fasteners, this set delivers firm control and dependable results every time