RemixIconEx.Design.pencil_ruler

You're seeing just the function pencil_ruler, go back to RemixIconEx.Design module for more information.
Link to this function

pencil_ruler(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Design.pencil_ruler()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M5 8v12h4V8H5zM3 7l4-5 4 5v15H3V7zm16 9v-2h-3v-2h3v-2h-2V8h2V6h-4v14h4v-2h-2v-2h2zM14 4h6a1 1 0 0 1 1 1v16a1 1 0 0 1-1 1h-6a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}