You could but should be coverered with the weather
yes - you can
Pole-Wrap® Drink Shelf** adds functionality to finished basement support column. Its attractively integrated and sturdy design is great for social settings where beverages are served, putting a convenient table right where you need it most without taking up space in your room. The Drink Shelf is made of solid premium red oak and sanded smooth ready for your custom finish. Bring out the rich natural wood beauty by simply finishing with two coats of polyurethane. •Use this model size for 12.5" circumference (or 4" diameter) columns -- actual trim hole size is 4.5" diameter to fit over Wrap •Requires installation of 16" Oak wrap (sold separately) **Pole-Wrap® Drink Shelf Kit includes: (2) Table Top Halves, (4) Supports and (2) Zip-Ties.