The fitting has an effective force lever arm (KL) changeable between a swivel axle (7) and a point of application of force. A pivotable furniture part (1) is subjected to an effective moment supporting an opening movement and/or closing movement and/or holding of the furniture part by changing the force lever arm by an adjusting device (19) and a hinge-joint lever (6). A hinge-joint lever arm is designed as the adjustment device on the hinge-joint lever.
