A 16"" arm with locking hook that extends The Adjustable Deck Clamp, Pole and Hanger, Flower Garden Pole, or Garden Pole, Galvanized, powder coated steel construction is rust-resistant, Specifications:, Dimensions: 18 x 1, 5 x 9 (assembled), Mounting: Attachment option to Adjustable Deck Clamp and Hanger (DCH), Flower Garden Pole (FGP) or Shepherd"s Envy Pole (SEP), Construction: Galvanized powder coated steel, SKU: DRLLYNK082