Square Groove Window Hinge Stainless Steel Telescopic Friction Stay Arm For Top Hung Casement Windows Hinge.
The window stay plays a key role in adjusting the opening angle of the window. By accurately controlling the opening angle, it can not only meet the ventilation needs, but also prevent safety hazards or wind and rain backflow caused by excessive angles. The window stay can flexibly respond to different scenarios such as daily ventilation and large-angle opening during general cleaning.