Description This set includes four high-quality TX-STAR socket bits designed for professional and DIY use. Each bit is 100mm long and manufactured from hardened and tempered chrome vanadium steel for durability and strength. The bits feature sand-blasted tips made of S2 silicon steel for improved grip and precision. They are supplied on a steel retaining rail for easy organization and storage. These socket bits are suitable for use with various tools and applications requiring TX-STAR drive types. Technical Specifications Number of pieces: 4 Drive type: TX-STAR (Torx) Bit sizes: T40, T45, T55, T70 Length of each bit: 100mm Material: Hardened and tempered chrome vanadium steel Tip material: S2 silicon steel with sand-blasted finish Compatibility and Accessories Compatible with tools that accept 1/2" square drive sockets Supplied with a steel socket retaining rail for organization Installation Insert the socket bits into compatible ratchets or drive tools with a 1/2" square drive Ensure