J5552HL Socket: 3/4 in Drive Size, 1 5/8 in Socket Size, 6-Point, Deep, Satin. These 3/4″ drive SAE sockets have a three-quarter inch square drive that’s compatible with drive tools of the same size. Sockets come in sizes that are measured in inches and fractions of an inch to fit fasteners with an SAE (inch) size head.