Stahlwille In-Hexagon Socket 1/2in Drive 17mm
is no longer available although you may find similar or newer versions below:
Manufactured to DIN 7422 (metric sizes).
Overall length: 60mm.Metric sizes.
MADE IN GERMANY.
Stahlwille In-Hex Socket 1/2in Drive.
Stahlwille Series 54 INHEX Sockets have 1/2in square drives and are suitable for socket head/hex head screws