Description:Material - The window hinges are made of 201 stainless steel, which is high in strength, wind and rain-proof, has strong load-bearing capacity, is wear-resistant, corrosion-resistant, and can be used for a long time.Design - The casement window hinge has two connecting rods, a fixed rod and a movable rod. When the window moves, the nut slider on the fixed rod can adjust its position to adapt to the angle of the window opening. The rivet connecting the movable rod to the fixed rod allows the movable rod to rotate flexibly, and the window can be opened outward or inward. The window will not close automatically after opening.