tension rod; spring tension pole
A rod that extends and locks into place using a spring mechanism, commonly used for hanging curtains, shower curtains, or as a closet rod without drilling.
See also: 突っ張り棒
I bought a tension rod to hang the curtains.
この伸縮ポールは、壁に穴を開けずに設置できます。
This tension pole can be installed without drilling holes in the wall.