Window Box Brackets for Railing Adjustable Planter Box Brackets Flower Box Brackets for Railings Deck Bird Feeder Hanger for Railing Heavy Duty Bracket for Windowsills, Garden, Fences and Balcony

U-SHAPED BOTTOM LOAD-BEARING DESIGN: Window boxes planters The U-shaped 3-side load-bearing design keeps your balcony planter or Deck Bird Feeder securely resting against the deck flower boxes railing, and the stand will not warp or bend,The adjustable support rods at the bottom prevent the flower pots from tilting, ensuring that the planters maintain a perfect angle at all times. STURDY & DURABLE: Crafted from high-quality iron with a 3mm thickness and coated with a protective powder finish to prevent fading and corrosion, Planter box brackets raise the height of the bottom bracket, prevents railing planter box or bird feeders from falling off your balcony or fence.This ensures your planters receive robust and long-lasting support. ADJUSTABLE WINDOW BOX BRACKETS：Our deck railing planter boxes features an adjustable top and bottom design. The top width can be freely adjusted to accommodate your railing width, ranging from 4.13 Inch-6.9 Inch, window flower box brackets the base wid