I want to send out the injectors on a 1984 190D 2.2 (260,000km) for rebuild. What size deep socket is required for these OM601 injectors?

I did a search but could not find info on the OM601 injectors. Is it the same 27mm used for the OM617's? Thanks in advance.

1984 190D 2.2 (260,000km)
1992 300E (242,000km)