Features: new and high quality<br> Discover the convenience of our 10piece Gypsum Board Bits Set, featuring a powerful magnetic holder for secure screwdriving.<br> Strong magnetic gypsum board positioning screwdriver, suitable for screwing self tapping screws on softer materials such as gypsum board and woodworking board.<br> Widely applicable, suitable for screwing self tapping screws on softer materials such as gypsum board and woodworking board, with a limit to prevent penetration caused by excessive screwing.<br> Durable, high precisions concentrics shafts, straight and concentrics, not easy to shake, not easy to slip and wear, and more durable when used.<br> Strong magnetic design, magnetic treatments on the head, and built in magneticcoil in the batch head can firmly adsorb screws during use to improve work efficiency.<br> Specifications: Material: Carbon Steel<br> Specification: 25mm, 50mm(optional)<br> Package Includes: 10Pcs Plasterboard Bits<br> note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you.