Diablo's Magnetic Drive Guide delivers ultimate performance and maximum durability when extending the drill’s reach in hard to access areas. A high-strength, retractable magnet sleeve provides a secure, anti-wobble grip when fastening screws and nuts. Torque Resistant Design absorbs torque for less stress on the holder and the bit. Diablo’s Magnetic Drive Guide is Impact Strong™, delivering increased shank stability and durability in cordless and corded impact and drill drivers.