Specifications:

specialized programming module for Atmel/Microchip ATSAMC21Jx/ATSAMC20Jx devices in WLCSP56 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 3.53e,
s/n from 5364-00008 are supported from PG4UW software version 3.76
made in Slovakia
Ord. no.        71-5364
Socket        ZIF BGA56, OpenTop type
Bottom        2 female connectors by 32 pins, DIN41612 B/2