Vintner 4 Column Individual wine racks cradle each bottle on its own racking section for secure storage and good airflow. Like other Vintner individual column wine racks (available in 1 to 10 columns), Vintner 4 Column Individual wine racks are stackable and available in several woods and finishes to match your other racking. Four columns will neatly fill a space 18 11/16ths inches wide.