Reporting question for Chassis - Marshall Style JTM-45 with front and back plates

Product:
Chassis - Marshall Style JTM-45 with front and back plates

Question:
What is the thread size of the 9 pin mounting captive nuts?

Answer:
The 4 screws that mount the chassis into a cabinet are M4 metric screws. The screws for mounting the tube sockets are M3 metric screws.