The present invention refers to device (1) at upright like support rails (4) and transverse to said rails (4) connectable panel elements (5) which panel elements are buildable to a panel lining (2), with groove-shaped receiving spaces (6) formed between the panel elements (5) and in which support elements (7) intended for coupling are receivable. Thereby rail-shaped fastening profiles (8) exhibit each other off faced integrated portions of a hook part (11) and coupling means (12), respectively, whereby the hook part (11) is receivable in receiving slots (13) arranged in a lateral flange (14) protruding from the fastening location (16) of the rails.