"Grip socket tray is designed to keep sockets organized and readily available for use. Heavy-duty molded plastic tray with 1/2in.-drive stubs for both shallow and deep sockets. Holds up to 28 SAE sockets from 3/8in. through 1 1/4in. Drive in. 1/2, Pieces qty. 1, Deep Well Compatibility Yes, Material Type Heavy-duty molded plastic, Measurement Type Standard SAE, Socket Capacity qty. 26, Socket Size Limit 3/8 in. through 1 1/4 in., Standard Compatibility Yes."