Enhanced Precision: This set includes 3 magnetic bit holders with adjustable depth control, allowing for exact screw placement in drywall and other materials. The adjustable threaded barrel ensures screws are driven to the perfect depth every time. High-Performance Magnetism: Each bit holder features a powerful ring magnet that firmly grips the drill bit and screw, minimizing drops and ensuring efficient operation during high-speed drilling tasks. Durable Construction: Crafted from high-carbon steel or chrome vanadium, these bit holders are built to withstand rigorous use. Their exceptional hardness and wear resistance ensure long-term reliability, even with frequent use. Versatile Compatibility: Designed with a 1/4" hex shank, these holders fit all standard drills and cordless drills, making them ideal for a variety of applications including drywall installation, wood framing, and more. Convenient and Practical: With a compact design and quick-change capability, these bit holders streamline your workflow. Ideal for both professional contractors and DIY enthusiasts, they enhance efficiency and precision in any drilling job., Manufacturer: Rumyve