This is for a used snap on tools 3/4” Dr Female To 1” Dr Male friction ball Socket Adapter. Shows signs of use and wear. Friction ball is good. Locking pin looks to be ground flush. USA made. Vintage underline logo. 1957 date code. No previous owner markings. No date code. Please see all pictures thoroughly for details, measurements, and information. What you see is exactly what you’ll receive. Thank you