The Hyper Tough AU85044N - 10-piece 2-inch double-ended screwdriver bits are made of alloy steel for durability and strength. Commonly used for automotive body & trim pieces, interior frames and electrical sensors. A must have for every handyman, jewelers, engineer, repair shop & workshops or computer repair guys to own. Comes with a plastic storage holder. When you are ready to make repairs or tackle those home improvement projects, Hyper Tough is ready. Please be