The KLEIN TOOLS 32303HD 20 IN 1 IMPACT DRIVER SET is a versatile and durable screwdriver set that includes 20 pieces of T-10 to T-25 star size bits. Made of steel and designed for impact driver use, this set is perfect for various applications in home and workshop settings. The black color and sealed packaging ensure easy organization and storage. Backed by a lifetime manufacturer warranty, this multi-piece bit set is a reliable and high-quality tool from Klein Tools.