Crafted from premium resistant stainless steel, this single hole (22.5x11x17mm) and double hole (45x17x11mm) configurations, weighing 15g / 25g respectively, ensuring longer lifespans than alternatives Ideal for renters, parents with children, and commercial property managers needing not damaging, user friendly security solution without compromising structural integrity Secures sliding doors, window, and balconies in homes, offices, or retail spaces while providing adjustable positioning to accidental closures or unauthorized access The push pull mechanism with limiter ensures effortless operations for all ages while maintaining window ventilation control, reducing injury risks in high traffics household areas Not drill stainless steel window with enhanced security features combines easy installation (50% faster than traditional locks) and anti durability for home protections, Manufacturer: CRFFZ