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. Measurement Type Standard SAE, Standard Compatibility Yes, Socket Size Limit 3/8 in. through 1 1/4 in., Pieces qty. 1, Socket Capacity qty. 26, Drive in. 1/2, Deep Well Compatibility Yes, Material Type Heavy-duty molded plastic.