Showing today are a pair of hexagonal sided German mechanical pencils. The top piece is Montblanc, produced in the mid-1920's and made of hard rubber. It features a correct Montblanc accommodation shirt clip. The lower pencil was made by Kaweco during the 1936 - 1945 period. The material on this one is plastic. Both pieces propel by twist action and are repelled manually. The Montblanc measures 5 1/2 inches capped and 5 3/16 inches minus cap. The Kaweco capped measures 4 inches and is 3 5/8 inches capless.