The Sealey 12 Piece Combination Drive Torx Socket Bit Set is a professional-grade socket set designed for working with Torx fasteners across automotive, machinery, and general engineering applications. This comprehensive set provides coverage across three drive sizes, making it suitable for a wide range of tasks from precision work to heavier-duty applications. Manufactured from drop-forged Chrome Vanadium steel, these sockets and TRX-Star bits deliver the strength and durability required for professional workshop use. The satin finish provides additional corrosion resistance, extending tool life even in demanding environments. A knurled ring on each socket assists with gripping when working with oily or greasy fingers, a practical feature for mechanics and engineers working in typical workshop conditions. The set spans 1/4" drive sizes for smaller Torx fasteners (T10 through T30), 3/8" drive for mid-range applications (T40 to T55), and 1/2" drive for larger T60 fastenings. This range