Abstract: An adjustable end cap for moldings formed of an element of a plastic material comprising a first portion intended to be inserted in a molding end and a second portion forming an abutment with said first portion and intended to project from the molding end. The first portion has a member for anchoring the plastic element in a hole provided in a wall to which said molding is to be applied and between said member and said second portion of the plastic element an yieldable section is provided which permits relative movements between said anchoring member and said second portion.