Seven adjustable depth levels for efficient screwing on multiple materials, preventing overpenetration and enabling screw depth control from 2 to 8 mm. Durable and resilient construction engineered for strength and longevity. This bit holder combines heat resistant and wear resistant materials to deliver consistent accuracy throughout its lifespan, making it suitable for repetitive or stress applications. Versatile compatibility designed to fit various screwdrivers and drills. Allows quick tool changes and secure 1/4 inch shank alignment for consistent performance across multiple applications. Stable operation with a robust magnetic connection that prevents slipping, providing secure attachment and control for repeated use. Use scenarios: Furniture assembly and cabinetry work where precise screw depth and reliable bit retention improve speed and accuracy. Mounting brackets, hinges, or hardware on wood or metal surfaces that require torque and fast, repeated screw driving. General home repairs or DIY projects that benefit from quick tool changes and dependable bit alignment for consistent results.