For use with a “Pocket Pharmacy” style 10-compartment pill case. Amazon link below to the same type of container. Slots in base for magnets. Perfect for EDC tray/drawer.
https://www.amazon.com/Travel-Organizer-Drawstring-Compartments-Pharmacy/dp/B0CB4412LP/ref=sr_1_2?crid=12RTWHA3RQO0I&keywords=pocket%2Bpharmacy&qid=1697578912&sprefix=pocket%2Bph%2Caps%2C326&sr=8-2&th=1
The author marked this model as their own original creation.