This SD card adapter is especially for the UCTRONICS designed for raspberry pi cluster solution, which is compatible with ASIN: B09BPX2VCB, B099RR1ZCT, B098924W9M, B09D7GY1CQ, and B09D7RR6NY.
There is 2 hole on the adapter which is totally compatible with the screw hole of the RPi mounting plate.
No more worry about accessing the SD card slot, just change it from the front of the rack instead of removing the entire plate. This is a great hack for length constraints with single-board computers.
Packing List:
4 pcs SD card flexible adapters
8 pcs M2.5*4 screws.