Three-dimensionally adjustable hardware system comprising - a first housing and a second housing, - a first hardware body which is arranged in the first housing at least in part, a second hardware body which is arranged in the second housing at least in part, and - a lever system which interconnects the first hardware body and the second hardware body, - the extension of at least one lever (22, 24, 26) of the lever system defining an xy-plane between the first hardware body and the second hardware body and defining a z-axis perpendicular to the xy-plane, and, - in order to adjust the hardware system in the y-direction, at least one housing and the hardware body arranged therein comprising at least one sliding guide which extends along the y-axis and along which guide the hardware body can be moved relative to the housing in the y-direction, - in order to adjust the hardware system in the z-direction, at least one of the hardware bodies comprising at least one guide pin and the housing in which the at least one hardware body is arranged comprising at least one threaded pin (30, 32), the guide pin and thus the hardware body being moved relative to the housing in the z-direction by rotating the threaded pin, characterised in that, - in order to adjust the hardware system in the x-direction, at least one of the hardware bodies receives at least one adjustment pin which can be moved along the y-axis located in the xy-plane, and at least one face (36, 38) of the adjustment pin which is oblique to the y-axis interacts with at least one sliding pin (40, 42), the movement of which along the x-axis located in the xy-plane is limited by the housing which receives the at least one hardware body, such that the hardware body can be moved relative to the housing in the x-direction by moving the adjustment pin. - a first housing and a second housing, - a first hardware body which is arranged in the first housing at least in part, a second hardware body which is arranged in the second housing at least in part, and - a lever system which interconnects the first hardware body and the second hardware body, - the extension of at least one lever (22, 24, 26) of the lever system defining an xy-plane between the first hardware body and the second hardware body and defining a z-axis perpendicular to the xy-plane, and, - in order to adjust the hardware system in the y-direction, at least one housing and the hardware body arranged therein comprising at least one sliding guide which extends along the y-axis and along which guide the hardware body can be moved relative to the housing in the y-direction, - in order to adjust the hardware system in the z-direction, at least one of the hardware bodies comprising at least one guide pin and the housing in which the at least one hardware body is arranged comprising at least one threaded pin (30, 32), the guide pin and thus the hardware body being moved relative to the housing in the z-direction by rotating the threaded pin, - in order to adjust the hardware system in the x-direction, at least one of the hardware bodies receives at least one adjustment pin which can be moved along the y-axis located in the xy-plane, and at least one face (36, 38) of the adjustment pin which is oblique to the y-axis interacts with at least one sliding pin (40, 42), the movement of which along the x-axis located in the xy-plane is limited by the housing which receives the at least one hardware body, such that the hardware body can be moved relative to the housing in the x-direction by moving the adjustment pin.