Basically a stand to fit in the QL to stop the OqtaDrive PCB sagging and possibly shorting on the motherboard. Also a small cap to go over the pin header to help route.

PCB can be found here: OqtaDrive QL v1.1 - Share Project - PCBWay

OqtaDrive project here: xelalexv/oqtadrive: Sinclair Microdrive emulator for Spectrum & QL (github.com)