Specifications:

specialized programming module for STMicroelectronics STM32 devices in UFQFPN20 3x3mm package, pitch 0.5mm
operating (mechanical) warranty of ZIF socket – 10,000 actuations
supported from PG4UW software version 3.32r,
s/n from 4321-00009 are supported from PG4UW software version 3.76
made in Slovakia
Ord. no.        71-4321
Socket        ZIF QFN20, OpenTop type
Bottom        2 female connectors by 32 pins, DIN41612 B/2