Mayne 5835-BK Signature Lamp Post with 89-Inch Aluminum Ground Mount Mayne plastic lamp posts are made from high quality 100% polyethylene with built-in UV inhibitors for long lasting protection from the elements Package includes 6 foot decorative post and steel ground mount conduit - Note: Light fixture and wiring materials not included Steel conduit measures 3 inch in diameter x 89 inches long and accommodates most residential post lamps Steel ground mount should be buried in concrete for secure installations 15 Year Warranty  Residential Application, 5 Year Warranty  Commercial Application. Made in the USA.