A hex key or Allen key is an easy tool utilized to operate bolts and screws with hexagonal sockets in their foresight. The device is usually gripped and turned with a long arm, forming a solid twist on top of the short arm. The tool is generally formed of a fixed steel hexagonal rod. The contact covers of the screw or bolt are preserved from external damage. There are six contact covers between bolt and driver. The device is easy, small, and light. The tool enables the use of headless and recessed-head screws. Strong, rigid, steel handle for secure transport of loads Its slim compact design ensures smooth handling