Today I'm showing five double ended mechanical pencils. From the top they are a Sheaffer's, Listo, Kaweco, L&C Hartdmuth and no name German pencil. The no name pencil features enameled ends and a perpetual calendar. The Listo is the shortest in length at 5 3/16 inches. The Kaweco is the longest of the bunch at 6 3/8 inches. Commonly featured lead colors were red, blue and black.