RemixIconEx.Design.tools

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

tools(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Design.tools()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M5.33 3.271a3.5 3.5 0 0 1 4.254 4.963l10.709 10.71-1.414 1.414-10.71-10.71a3.502 3.502 0 0 1-4.962-4.255L5.444 7.63a1.5 1.5 0 1 0 2.121-2.121L5.329 3.27zm10.367 1.884l3.182-1.768 1.414 1.414-1.768 3.182-1.768.354-2.12 2.121-1.415-1.414 2.121-2.121.354-1.768zm-6.718 8.132l1.414 1.414-5.303 5.303a1 1 0 0 1-1.492-1.327l.078-.087 5.303-5.303z" />
</svg>

example usage

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