Sealey Premier Stubby Hex Socket Bit Set with Rail 1/2"Sq Drive 6pc Features: One-piece Chrome Vanadium steel socket bits. Sockets are heat treated, chrome plated and satin finished. Knurled rings assist the gripping of the sockets with oily fingers. Supplied on socket rail. Technical Details: • Forged Chrome Vanadium steel sockets with Chrome Vanadium one-piece steel hex bits. • Knurled ring to assist gripping socket with oily fingers. • Contents: 8, 10, 12, 14, 17, 19mm. • Supplied on socket rail. • Lifetime guarantee*. • Model No. AK6561 • Model No. AK6561 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • One-piece Chrome Vanadium steel socket bits. • Sockets are heat treated, chrome plated and satin finished. • Knurled rings assist the gripping of the sockets with oily fingers. • Contents: 8, 10, 12, 14, 17, 19mm. • Supplied on socket rail. • Lifetime guarantee*.