HelpAccess Metal Balcony Bracket Accessory, Adjustable Balcony Brackets for Troughs, Railing Clamp Brackets,Garden Planter Holder, Angle Bracket, Window Box Brackets (3-ways large (02L #), Green) : Amazon.co.uk: Garden
Adjustable Flower Pot Rack Holder Plant Stand - Expands 14"-27" to accomodate Multiple flowerpots, Hanger Hooks fit Almost Any Balcony, Fence or Deck Railing up to 6" Wide - Steel Black :