13 PACK TRX Star SECURITY Socket Bit Set - 1/4" & 3/8" Square Drive BLACK OXIDEOverview: Drop-forged one-piece Chrome Vanadium steel, specially hardened and tempered. Security TRX-Star* type head. Finished in black oxide for corrosion resistance. Supplied on two rails.Features: Drop-forged one-piece Chrome Vanadium steel, specially hardened and tempered. Security TRX-Star* type head. Finished in black oxide for corrosion resistance. Contents: 1/4"Sq Drive; T10H, T15H, T20H, T25H, T27H, T30H, 3/8"Sq Drive; T40H, T45H, T47H, T50H, T55H, T60H, Minimum/Maximum Length; 25/40mm, 3/8"Sq(F) x 1/4"Sq(M) Adaptor. Supplied on two rails. Lifetime guarantee*. Specification: Contents - 1/4"Sq Drive; T10H, T15H, T20H, T25H, T27H, T30H, 3/8"Sq Drive; T40H, T45H, T47H, T50H, T55H, T60H, 3/8"Sq(F) x 1/4"Sq(M) Adaptor Drive - 1/4" & 3/8"Sq Maximum Length - 40mm Minimum Length - 25mm Net Weight - 0.37kg Further Information: We sell a wide variety of tools & workshop equipment for both the DIY and Professional markets. With well over 10,000 lines of equipment suiting all jobs big or small, our online store has it all. If you can’t quite find what you are looking for, please feel free to contact us and we’ll be more than happy to help.Alias: ys01209