3/8 Socket Modular Organization

I wanted to come up with a modular way to organize my sockets. I have a significantly larger selection of metric over sae sockets. All the things I found online were giants kits that left me with a lot of empty space and took up room. Most also just sat on the drawer and did not hold its place when the drawer was opened or closed. This design has magnets on the bottom: Amazon.com: 120 Pcs Magners for Crafts,18mm(0.709 inch) Strong Ceramic Industrial Magnets,Tiny Flat Ferrite Dics Magneys for Ref