Container Garden Pole Set. Features the 1) Base, 2) Drainage Clearance Washer, 3) 24" pole section 4) 14" Extender, 5) 12" Flower Pot Holder. Click center image below for easy base unit assembly instructions. The simply drop the Pole Extender and Pot Holder in place. Use to simply add a flower basket to a large container, or build a bird feeding station by adding additional extenders and quick connect hooks. Your options are limitless!