In a nutshell
The right choise for
With the Facom 84TZSA.4 hex key, you gain the leverage and reach needed for precise mechanical fastening. The ergonomic P-handle fits naturally in your hand, reducing fatigue while transferring maximum torque to 4 mm hex socket screws. a 183 mm long blade provides effortless access to deeply recessed fixings, and the spherical ball end allows smooth off-axis turning at angles up to 30 degrees. When you need maximum tightening torque to loosen or secure stubborn fasteners, the 77 mm short arm in the handle delivers full power. Finished with a protective phosphate coating, this tool is built for dependable wear resistance in demanding everyday tasks.