Ambient Weather EZ-30-12 Stable Mounting Kit with Mast Supports most weather stations, including Davis Instruments, Ambient Weather, La Crosse Technology and others Includes two horizontal mounting brackets (12 inch) and a support bracket Ambient Weather pole mounting kit constructed of rust proof 10-steel tubing, galvanized using the Flo-Coat (zinc-chromate polymer) for excellent corrosion proof protection The EZ-30-12 mounting pole kit provides a stable weather station mounting solution, ideal for mounting to a vertical wall, chimney, eve, or fence post Add additional mast extensions of 3 feet per extension (item no EZ-125-35M ) and horizontal brackets (EZ-30-12-BRACKET)