Enhance your outdoor spaces with these adjustable window box brackets. Made of 4mm thick iron with a rust - resistant powder coating and stainless steel hardware, they are built to last outdoors. The adjustable top width from 0–6.5 inches and base width from 5.5–10.4 in. ensure compatibility with a wide variety of planter boxes. With a strengthened bottom structure, they can hold up to 90 lbs. and keep planter boxes level. They fit three different railing width ranges (0–2.2 in. 2.2–4.5 in. and 4.5–6.5 in.), making them suitable for railings, balconies, and fences. Installation is a breeze, taking only minutes. Ideal for adding a touch of greenery to your balcony, fence, or garden, these brackets provide a stable and secure display for your plants. Color: Black. Material: Metal.