Socket, hex long, 19L, 1/2 inch drive, 3/4 inch, 614173, Gedore.

A hex socket, also called a 6-point socket, is designed to fit over a standard 6 sided hexagonal shaped nut or bolt head. They're generally preferred for everyday use because as they are extremely versatile. Long-reach series for long recess or thread access. Hexagon, long pattern. Manually operated sockets with thin walls and knurled base. Chrome vanadium steel 31CrV3. 1/2" square drive. Chrome plated and polished.