LOT OF 50 - 1/2-13 X 2 ELSAG BALLEY 343131A1 SOCKET HEAD CAP SCREW. They are unused, showing long self life. It is 2" of SAE thread and 1/2" socket head cap long and 1/2" wide shaft with 3/4" wide head cap. It is yellowish-gold metal. 3/8" Allen head cap.