Proto Socket 1/2 DR 7/16'' 8 PT 5414S

Stanley Proto J5414S 1/2-Inch Drive Socket, 7/16-Inch, 8 Point 

•For square nuts
•1/2-inch Drive Sockets - 8 Point
•7/16-inch Size
•51/64-inch Nut end outside diameter
•51/64-inch Drive end outside diameter