Premier Fully Polished Deep Socket 1/2"Sq Drive 21mm

• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • Cold-forged Chrome Vanadium steel socket. • Hardened and tempered for added strength. • Chrome plated with a fully polished finish. • WallDrive® socket configuration. • Knurled ring for extra grip with oily fingers. • Lifetime guarantee*.