A pane for shelves, furniture and the like, to be inserted in frames, in which is self-locking, consisting of a layered structure (10) formed by a first external metal surface (12), by an intermediate layer (14) of plastic material and by a second external metal surface (16), being the intermediate layer (14) provided with a central rib (18), operating as a screen against light filtering and, at a first end of the pane, with cylindrical slots (24) able to house conical pins (26) fastened to an adjacent frame member (20) and, at an opposite end of the pane, the intermediate pane itself (14) is provided with resilient inserts (30), comprising springs (36) and balls (40), snap engaging slots (42) in an adjacent frame member (22).