Traffic/ Car Parks – Caution Vehicles emerging from concealed entrance sign. Available in 22swg aluminium and reflective 75 series (post fix/wall fix). 75 series have class 1 engineering grade reflective faces and are applied to a heavy duty composite back plate for post fixing and 22swg aluminium for wall fixing. This gives the option of either post or wall fixing. Please specify when ordering. Not exactly what you are looking for?