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PORTABLE SIGN POST BASE 
This 18" dia. portable sign base is constructed from high density polyethylene. Weighs up to 62 lbs. filled with sand or aggregate concrete or 1 lb. empty. (Steel sign posts sold separately). Portable Sign Base: 18" Diameter. Post Adapter: 12" Height, 1.5" Diameter. Recommended for 4' to 6' U-Channel Poles. Longer posts will require the base to be filled with concrete.

High Density Polyethylene Portable Sign Post Base

Steel Hardware (Sold Separately) for Portable Sign Post Base

Portable Sign Post Base Accepts Steel Sign Post Installation

Portable Sign Post Base Accept Steel Sign Post Installation

Portable Sign Post Base Accepts use with Steel Sign Posts (Sold Separately)

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Parking Lot Sign Post Base, 18" Diameter