Disappointed in the Horror Fright metal socket rails, I designed my own.

Set 1: 1/2 inch. Large rail holds 6 sockets ranging from 1" up. Small rail holds 7 sockets ranging from 15/16" down.

Set 2: 3/8 inch rail that holds 10 sockets

Set 3: 1/4 inch rail that holds 12 sockets

Coming soon: metric equivalents with rounded, rather than angled, corners so I can tell the sets apart by feel.

Sept 2020 - added three rails for 1/2" drive.