The Milwaukee Torx T-50 Screwdriver Bit Set includes 25 high-quality shockwave bits designed for use with impact drivers. Made of steel, these driver bits are suitable for a variety of applications, including screwdrivers, drills, and impact drivers. With a torsion design and a model number of 4932430892, this set is perfect for DIY enthusiasts and professionals alike. Made in China, these screwdriver bits offer durability and reliability for all your tool needs.