This tension rod adjusts from 12 to 20 inches, with a rod diameter of 4/8" and cap diameter of 6/8". It features a high-strength durable spring inside, allowing for repeated use, and can bear 3-7lbs per rod. Available in 5 colors to easily coordinate with your decor. The long-lasting metal rod is constructed from quality carbon steel with non-slip caps, making it corrosion-resistant and rust-proof for a longer service life. It's widely used as a curtain rod for windows, doorways, wardrobes, bookcases, cupboards, and shoe racks, serving as a helpful tool for DIY home storage.