Sealey SBBH012 Ball-End Hex Socket Bit 17mm 1/2"Sq Drive

One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.
Forged Chrome Vanadium steel socket with S2 steel bit.
Sockets are heat treated and chrome plated with a fully polished mirror finish.
Knurled ring for extra grip with oily fingers.
Lifetime guarantee*.