Sealey Premier Spline Socket Bit Set 1/4", 3/8" & 1/2"Sq Drive 8pc Features: Forged Chrome Vanadium steel 1/4", 3/8" and 1/2"Sq drive sockets with S2 steel spline bits. Knurled ring to assist gripping of socket with oily fingers. Supplied on socket rail. Technical Details: • Forged Chrome Vanadium steel 1/4", 3/8" and 1/2"Sq drive sockets with S2 steel spline bits. • 1/4"Sq Drive: 4, 5, 6mm, 3/8"Sq Drive: 8, 10, 12mm, 1/2"Sq Drive: 14, 16mm. • Knurled ring to assist gripping of socket with oily fingers. • Supplied on socket rail. • Lifetime guarantee*. • Model No. AK6214 • Model No. AK6214 Additional Information: • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Forged Chrome Vanadium steel 1/4", 3/8" and 1/2"Sq drive sockets with S2 steel spline bits. • 1/4"Sq Drive: 4, 5, 6mm, 3/8"Sq Drive: 8, 10, 12mm, 1/2"Sq Drive: 14, 16mm. • Knurled ring to assist gripping of socket with oily fingers. • Supplied on socket rail. • Lifetime guarantee*.