6" x 6' Round, Wood, Colonial, Smooth Tapered Column. The cap and base have a footprint of 8" square. The base and capitol are each 1 1/2" thick (3" in total) and the column shaft sits in between. This column may be split in half, at extra cost, to make two pilasters or to wrap around jack post or support. The inside diameter is 3 1/8". This column can be fluted as an option.