Another heavy-duty plastic socket tray is this Ernst Manufacturing Socket Boss 3-Rail Multi-Drive Socket Organizer. This one has three rails with enough twist-lock clips to hold 45 sockets (15 x 1/4-inch, 15 x 3/8-inch and 15 x 1/2-inch drive sockets). The real highlight is the ability to customize it to suit your socket collection. You can detach rails to transport them separately as well as mix and match the socket clips provided and purchase more if required.
Even better, and unlike with the Hansen socket tray set, the socket sizes are not marked on the trays but are provided on stickers, so you can customize and leave off any sizes that you’re missing. The Ernst socket organizer is available in three colors (red, blue and high-visibility yellow) with the manufacturer recommending red for SAE and blue for metric (and high-vis for…your nighttime sockets?)