The Sealey 7 Piece 1/4" and 3/8" Drive Lock On Torx Socket Bit Set is a specialist extraction tool designed for removing damaged, cross-threaded or jammed TRX-Star fasteners. This professional-grade socket set combines heat treated Chrome Vanadium steel sockets with S2 steel bits featuring a satin chrome finish, delivering the strength and precision required for challenging extraction work. The set provides comprehensive coverage across two drive sizes, with 1/4" square drive sockets in T10, T15 and T20 sizes, plus 3/8" square drive sockets in T25, T27, T30 and T40 sizes. This range makes it suitable for automotive repairs, machinery maintenance and general workshop applications where fasteners have become compromised through wear, corrosion or over-tightening. All seven sockets are supplied on a metal socket rail for organised storage and easy identification. The lock-on design ensures secure bit retention during use, whilst the durable construction is backed by a lifetime guarantee, providing long-term value for professional tradespeople and serious DIY enthusiasts. Features and Benefits: • Heat treated Chrome Vanadium steel sockets for exceptional durability • S2 steel bits with satin chrome finish resist wear and corrosion • Lock-on design provides secure bit retention during extraction work • Metal socket rail keeps the set organised and accessible • Lifetime guarantee for peace of mind Specifications: Brand: Premier Contents: 1/4"Sq Drive; T10, T15, T20, 3/8"Sq Drive; T25, T27, T30, T40 Drive: 1/4" & 3/8"Sq Maximum Length: 48mm Minimum Length: 38mm Nett Weight: 0.205kg