Abstract. Square columns is a rectangular column which has a single stirrup shape and wide distances in - between. In addition. the round column is a column with a spiral section and has a relatively short distance or a relatively smaller distance in - between. https://www.spidertattooz.com/Kaiser-Copy-Stand-RS-1-with-RA-1-Arm-40-Counterbalanced-Column-and-18-x-20-Baseboard/