[Widely Used]The caravan window stay bar is very suitable for the installation and use of large vehicles such as RV, RV, yacht, RV, trailer, etc [Rugged Material]Made of aluminum alloy, it has the characteristics of light weight, high toughness, anti-oxidation and long service life [Practical]With sophisticated manufacturing technology, the 2-piece caravan window regulator rod is reliable and practical to use, a good choice for you [Size]The maximum length of the RV window regulator strut is about 435mm/17.1in, the compression length is about 310mm/12.2in, RV parts [Automatic Function]The support bar has an automatic jump function. When the window is closed, there is a lock on the handle to seal the window to prevent it from springing open Colour:black+silver Material:aluminum alloy Package Contents: 2 x window support rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.