Easy to Install The adjustable shower curtain rod is available from 51 to 145 Inches. It only needs to adjust the length through the adjustment button,so you can quickly and easily install the tension rod without drilling, screws or any tools. Never Rust & Constant Tension Shower curtain rod offers rust and corrosion resistance .In addition,there's no slipping with this tension rod and it's gentle on walls. It offers a long-lasting, sturdy hold and a max load of up to 66 lbs. It is recommended that the spring rod not be pulled to its maximum length, and that light to medium weight curtains should be used. Apply For All Surface This tension rod can be applied on all surfaces include both of smooth and rough surface like wallpaper, paint wall, tile wall, wooden frame, Etc.