x Screw-in Window Restrictor Hooks, No Drilling Required, Open Window Corner, Window Restrictor, Window Restrictor, Window Restrictor. Suitable for adjusting window angles.

Metal Material: The window spacers are made of carbon steel, a thick and highly durable material. They feature a high-temperature Teflon coating, making them rust-resistant, corrosion-resistant, and aesthetically pleasing.

Hook Design: The door and window opening and closing restrictor uses a hook design, providing greater stability and resistance to wind and falls. This enhances safety.

Rivet: After numerous high-strength tensile tests, the rivet is deformation-resistant, strong, and durable. Ideal in windy weather to prevent windows from being slammed open, improving user comfort. It also ensures the durability and lifespan of your door lock.

Easy to Use: These hanging window spacers are used to restrict the opening angle of casement windows and French doors. You can use them to properly ventilate your apartment and control and adjust the window opening as needed.

Scope of application: Window frames for sash or casement windows. Allows the window to be locked in the open position at four different opening angles and prevents accidental closure. Suitable for all standard plastic, wood, or metal doors and windows.