Die-cast EN AB-47100 aluminium housing with high corrosion resistance. Stone wash surface treatment prior to painting process. A4 grade Stainless Steel screws with 2,5-3% molybdenum content which increases the resistance against corrosion.99.98% pure aluminium reflectors, or with concentrating lenses: The sophisticated optics focuses the beam and makes the light comfortable by reducing the direct glare of the light source. Clear toughened glass.