This listing is for two (2) packs of GRK Fasteners 2" Star T-25 Driver Bits, designed for use with GRK Fasteners screws. Each pack contains 2 bits, for a total of 4 driver bits. These high-quality bits are suitable for use with drill/drivers and impact drivers, providing reliable performance for your fastening needs. Ideal for professionals and DIY enthusiasts working with GRK brand fasteners.