Specifications:

Socket        ZIF BGA75, OpenTop type
Bottom        2 connectors by 68 pins, receptacle type
specialized programming module for Nordic Semiconductor nRF52833-CJAA-R7 devices in WLCSP75 package
used ZIF socket may accept one or more variants of supported package, different in ball diameter, ball high and/or body thickness, see section Accepted package(s)
operating (mechanical) warranty of ZIF socket - 10,000 actuations
supported from PG4UW software version 3.74n