Fitting with adjustable restraining area

A fitting with a functional lock part, with a restraining area for a door element, including a first fitting element and a second fitting element, wherein the first fitting element and the second fitting element each include at least sectionwise a locating portion, which comprises an intermediate layer able to contact the door element, wherein the fitting elements delimit the restraining area, and wherein the functional lock part includes a connecting element disposed between the first and second fitting elements, wherein the connecting element defining opposed connecting slots, wherein an adjusting mechanism is provided between the fitting elements configured to align the functional lock part, wherein the adjusting mechanism comprises a base portion and a pair of fastening legs, each defining a bore, wherein the fastening legs are received in the connecting slots of the connecting element and a screw is received in each bore such that the adjusting mechanism is coupled to the connecting element, wherein the adjusting mechanism is configured such that the functional lock part is configured to move along a longitudinal extension of the first and second fitting elements for the purpose of position alignment, whereby a first recess is disposed in the first fitting element and a second recess is disposed in the second fitting element, and the first and second recesses are each in the shape of a slot or a groove configured to receive ends of the base portion of the adjusting mechanism, such that the adjusting mechanism connects the functional lock part to the first and second fitting elements and is supported to be displaceable in the first and second recesses, such that the adjusting mechanism is movable, wherein at least one mount is located in a pocket recess in one of the first and second fitting elements.