Diablo's range of magnetic nut setters delivers maximum performance and extreme durability in driving hex nuts or self-tapping screws. A high-strength, permanent magnet provides a secure, anti-wobble grip when fastening screws and nuts into a variety of applications. Torque Resistant Design absorbs torque for less stress at the tip. Rust protection coating for superior wear and corrosion resistance. Laser engraved for easy identification. Optimized heat treatment process strengthens the nut setter for impact resistance and stability. This range is Impact Strong, delivering increased shank stability and durability in cordless and corded impact and drill drivers. Assorted pack includes five magnetic nut setters: 1/4 In., 5/16 In., 3/8 In., 7/16 In., and 1/2 In.