Quick-Adjustable Upper Pole (12" Depth with Height Adjustment from 2.18" to 2.76") Placement Inserts into any lower pole or vehicle base with a welded pole. Height Adjustability: Allows 2.18" - 2.76" adjustment above lip of lower pole Dimensions: 6.25" H x 3.5" W x 12.0" D Construction: Heavy gauge steel Finish: Black powdercoat Weight 4.4 lbs