123 589 03 09 00 Socket - WS00.00-P-0028Z

MODEL ALL 

FG 00 

Use/specification: 

Socket with 19 mm joint, 1/2" square drive, 70 mm long, e.g. for transmission

Fig 1: Identifying Transmission Socket With Ball Joint

Courtesy of MERCEDES-BENZ USA

Fig 2: Socket (123 589 03 09 00)

Courtesy of MERCEDES-BENZ USA