The tilting Window is make of stainless steel, which is rustproof and wear-resistant It provide protections against slamming or opening Window on winds days, improving comfort and The limiters adopts a hook type designs with multiple slots for easy operate and high stability, and is not easy to fall down Multiple slots for easy operate This adjustable Window limiters is suitable for casement door and Window With Window you can opens Window as need and control and adjust the opening angles, Manufacturer: LiRRvb