Gallery Columns Balustrades 2-1/2 Extra Small, System available in 36″, 42″ or Custom Height 3-1/2 Small, System available in 36″, 42″ or Custom Height 4-1/2 Medium, System available in 36″, 42″ or Custom Height 5-1/2 Large, System available in 36″, 42″ or Custom Height 6-1/2 Extra Large, System available in 36″, 42″ or Custom Height 7-1/2 XXL, System available in 36″, 42″ or Custom Height