Introducing the IRWIN 10-Piece TORX Screwdriver Bit Set, designed to deliver superior performance across a wide range of driving tasks. Crafted from high-quality industrial-grade S2 steel, these insert bits are engineered for exceptional durability, ensuring they can withstand even the most demanding jobs. This versatile set is an ideal choice for both manual and power tool applications, especially when used with the durable IRWIN insert bit holder included in the package. The compact carrying case allows for easy transportation and organized storage, ensuring your bits are always within reach. The set features 9 premium 25mm TORX bits: TX10, TX15 (two pieces), TX20 (two pieces), TX25 (two pieces), TX30, and TX40, along with a sturdy bit holder. Elevate your tool collection with this all-inclusive screwdriver bit set that effectively meets all of your driving requirements.