A device for blocking and adjusting the inclination of fittings, such as a recliner mechanism, a vehicle seat, has a first fitting part which has a latch tooth, and a latching element (2) which has a mating latch tooth, the latch tooth and the mating latch tooth are brought into engagement and arrested in the engagement position by means of a clamping element under the force of a spring, acts on the latching element and is movable counter to the force of the spring via adjusting means. The clamping element has a toothing in which is engaged by a mating toothing situated on a toothed element, the force of the spring acts on the toothed element and acts indirectly on the clamping element via the toothing and mating toothing.