X-shaped deck railing, like this example from @londondeckingcompany ... The rails on this deck by @red_isle_ltd are made from powder-coated, laser-cut aluminum privacy screens.

The Hollaender Manufacturing Company produces a wide array of architectural hand railing systems, from non-welded aluminum rails to stainless steel structural glass. Some of their best-known ...

As the most economical choice, Trex Select railings (shown here) offer a single, clean-looking profile in white with black ...