1 Enhanced Durability:Constructed from zinc plated thirteen gauge steel, our storage door backside bracket is built to last. With a thickness of 0.1 inch, it presents superior resistance to corrosion, rust, and breakage brought on by harsh climate conditions.Designed for seamless storage door movement, our bottom bracket attaches to the left and correct bottom panels. Paired with metallic cables, it ensures easy elevating and lowering of the door, providing a smooth and dependable operation.2 Smooth Operation:Our bottom bracket can help as much as 500 pounds, making it a strong desire for any storage door. Compatible with most roller shafts and tracks, it affords a reliable and secure solution in your garage door system.3 Heavy-Duty Construction:Each set entails 1 left hand and 1 right hand bracket, together with 4 screws. It can be easily installed at the first garage door panel with a thickness ranging from 1-3/8' to 2' and fits with a 2' track.4 Easy Installation:Our storage door bottom bracket is well matched with 7/16' diameter stem rollers, making certain a perfect fit for different storage door systems. Whether it is best to update your existing bracket or upgrade your garage door hardware, our product is a competent choice.