This shower curtain adjustable tension rod is in aluminum. This lightweight, adjustable tension rod extends from 28" to 47" to fit a shower, bath tub, closet, or entryway. It can be installed without tools in seconds. Simply twist to unlock, pull it to the length you''d like, and twist in the other direction to lock into place. The white powder-coated finish is rust-resistant and the plastic end caps protect your tile or wall. Cleaning with damp cloth. Not recommended for heavy loads unless rubber tips are supported. Diameter 0.86". Easy to use, this adjustable tension bar is perfect to add a shower curtain in your bathroom! Imported.