1/2" Drive Gridfinity SAE socket holders.
2 Holders for 6 Point and 12 Point Sockets.
SAE sizes 7/16, ½, 9/16, 5/8, 11/16, ¾, 13/16, 7/8, 15/16, 1"
These were designed for Cresent Brand Sockets, but may work with other brands.
This is part of a collection that can hold 256 sockets in a Harbor Freight US General Tool Chest in a single draw.