A display device comprises an elongate member which is formed of two identical moldings and rotatably mounted on two nylon bearings, each of which is secured to a post. One molding is oriented in a first direction and a second molding is oriented in a second opposite direction and the two moldings are engageable in the longitudinal direction. A male rim section of one molding engages in a female rim section of the second molding. Each side of the female rim section has a plurality of supporting lugs which support the male rim section of the other molding when engaged.