EMSAPoetic 506710 Vario Window Box Brackets for Wall and Railing, pre-Assembled, Aluminium, Supports up to 50 kg

These window box brackets are well made and sturdy (I think they were made in Germany). Better than most I've seen and easily adjustable. It helped that that the information on Amazon was clear, so I could order what I needed. They're not cheap, but worth the money and other similar brackets are more expensive and less robust. I will buy more.

These brackets are good and strong, hold my Window box well I have no worries that it will give way.I have it on railing on a juillet balcony.

There just honky-donky strong and versatile plus value for the money

Good quality product that does the job admirably. Fully adjustable so it will fit all / most window boxes.

Liked the different fitting options, disliked the lack of English instructions