Americana Magnetic carries the strongest magnet that holds 99% of its strength, and withstands for over 10 years. Its light weight comes from an ABS polymer plastic. It is highly durable and UV stabilized to withstand the harshest weather extremes of sun, heat and cold. Save time and install in seconds. Eliminate Drilling and screw attachment. Other than a tape measure, there are absolutely no tools required. Comes in Solid Black; fasteners included.