SLOPBUSTER is a patented system that can be installed in minutes and then removed for summer storage. SLOPBUSTER is constructed of robust 16-gauge steel that resists damage and has a powder-coated corrosion-resisted finish. It is adjustable to fit all mailboxes and has all the parts necessary for quick, easy assembly.It is also designed so that, should a plow or other vehicle collide with the system, upon impact, the upper portion of the SLOPBUSTER will fold over. This allows the vehicle to ride over SLOPBUSTER and the mailbox assembly, thus minimizing injury to drivers and passengers. www.slopbuster.com