Sealey Premier TRX-Star* Socket Bit Set 1/4" & 3/8"Sq Drive 13pc Features: Drop-forged one-piece Chrome Vanadium steel, specially hardened and tempered. Finished in black oxide for corrosion resistance. Supplied on two rails. Technical Details: • Drop-forged one-piece Chrome Vanadium steel, specially hardened and tempered. • Finished in black oxide for corrosion resistance. • Contents: 1/4"Sq Drive; T10, T15, T20, T25, T27, T30, 3/8"Sq Drive; T40, T45, T47, T50, T55, T60, 3/8"Sq(F) x 1/4"Sq(M) Adaptor. • Supplied on two rails. • Lifetime guarantee*. • Model No. AK5584 • Model No. AK5584 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Drop-forged one-piece Chrome Vanadium steel, specially hardened and tempered. • Finished in black oxide for corrosion resistance. • Contents: 1/4"Sq Drive; T10, T15, T20, T25, T27, T30, 3/8"Sq Drive; T40, T45, T47, T50, T55, T60, 3/8"Sq(F) x 1/4"Sq(M) Adaptor. • Supplied on two rails. •