* Bates magnetic nut driver set comes with 15 precision-engineered pieces, designed for use with impact drills to handle a variety of fastening tasks. * Made from premium chrome vanadium steel, these nut drivers offer exceptional durability, strength, and resistance to wear. * Each piece features a 1/4" hex shank and includes sizes ranging from 6mm to 14mm and 1/4" to 9/16", providing versatility for numerous applications. * The magnetic tips ensure secure fastening, reducing slippage and enhancing efficiency during work. * Neatly organized in a sturdy and compact case, this set is ideal for professionals and DIY enthusiasts working on automotive, construction, or home improvement projects.