Gnatus Contemporary stainless steel large cross with black interior and silver back & outlining. A standard Christian cross is the most widely recognized symbol in the world today. It consists of two perpendicular carbon fiber lines - a longer vertical and a shorter horizontal line - that cross each other at a 90-degree angle. The cross can be worn booth sides. It is made of high-quality 316L stainless steel and is resistive to water and corrosion.