This is the 16mm 12pt socket that is needed to remove the Drain Plug of the Transmission on many VW, Audi, and Porsche vehicles.
- called out in repair manual as tool #2567 and/or #3357
- hole in center to clear the tamper proof pin in the transmission drain plug bolt
- 1/2" Drive
If you have any questions, please do not hesitate to ask.