Brand: Williams (USA) Type: Impact socket, 6-point (hex) Size: 1 11/16 inch (SAE) Model/Part: 7-654 Markings on socket: «WILLIAMS USA 7-654 IMPACT» and «1 11/16» Country of origin: Made in USA Features: Pin hole and retaining ring groove for secure use with impact tools Material/Finish: Heavy-duty steel with black oxide-style finish Use: Industrial/professional grade socket for impact wrenches Notes: Single socket as shown; point count and size confirmed by photos and stampings.