Built-in strong magnetic ring firmly holds screws in place, preventing drops and misalignment. Specially designed for gypsum board and drywall applications, helping you quickly locate the screw position and improve work efficiency. Perfect for installing gypsum board ceilings, wall panels, and partition systems. Great for professionals and DIY users needing accurate screw depth control on drywall projects. Material: Steel;Size: 5 * 1.5cm;Applicable: Suitable for various models, can use electric drills, cordless drills, bench drills, screwdrivers, etc; Equipped with a depth limit (stop collar) specially calibrated for drywall. It prevents over-driving and penetrating the gypsum board , protecting plasterboard integrity and achieving a neat, flush finish., Weight: 0.2866009406 pounds, Manufacturer: UieoKakeh