Upgrade your bathtub or shower with the Zenna Home? NeverRust? Tension Curved Shower Curtain Rod. Made of strong, lightweight and rustproof aluminum, this rod is guaranteed for life against rust. The innovative tension-mount design allows for secure installation with no tools needed, no drilling into the wall and no damage to walls. The rod's curved design provides up to 11 inches of additional elbow room (when extended to 72 inches), to give any shower a more spacious feel. The rod's light weight and no-cut telescoping design enable easy installation in standard 60- and 72-inch tubs, as well as in in spaces as small as 50 inches. Step-by-step instructions make installation easy. Zenna Home by Zenith's USA-based Customer Service Department is available toll free at (800) 892-3986 to answer any questions.