This metal pattern exists in many places, e.g. floors of elevators. It is the most typical 5-strip pattern for increasing fiction.

It is not just a metal plate, but also a rusty texture. Dirt is also on the surface.

It is a rusty metal plate with typical cross patterns cover the whole surface. The bumpy cross pattern is used to increase the fiction and grip of metal especially when it is being used for flooring.

Dirt can also be found on the texture.