Sizes of the original ESP32-DevKitC-32U Wifi board

Hi, I am creating a printed circuit board into which the original ESP32-DevKitC-32U module will be inserted. I can not find the original dimensions of the board, in particular the distance between the contact rails. The site espressif has a small description.

27.9mm is indicated here. It is not clear to me, is this the full width of the board or the distance between the contacts?

What I want to do:

It is very important for me to find out the correct dimensions of the original board. Maybe someone has such a board and can measure this size?