ADJUSTABLE PLANTER BRACKET - The set of 6 deck railing adjustable planter box brackets with adjustable bottom design, the flower box bracket can be adjusted from 6" to 12.5" in width. (Note: Planter pot isn't included)2 INSTALLATION METHODS - Not only can be installed on the railing, balconies and fences, but also can Mounted on walls. Come with full accessories, with providing wing nut crews, just need to slide in and tighten it, then fix it to the wall or railing with screws. You can set up within a few minutes.STURDY & DURABLE - Planter hooks are made from 3mm thickness good-quality iron with powder coating prevent fading or corrosion; and it comes with stainless steel screws, it will not bring the issue of rust, fade, or erode.