Dual-Purpose Security Bar: Our sliding door security bar serves a dual function, providing reliable protection for both sliding patio glass doors and windows, ensuring comprehensive home security,For Any Size Patio Door and Window: With an adjustable design: 16 to 51 inch, this sliding door security bar fits various door and window sizes, offering a customizable solution for different entry points in your home and office,Heavy Duty Window Stick: Crafted from premium steel, 1 inch rod diameter, 0.8mm rod thickness, our security bar boasts a heavy-duty build that can withstand significant force up to 400bs, acting as a robust deterrent against forced entry,Easy Installation: Simple and quick to install, this security bar requires no special tools or complicated setup. Enhance your home security effortlessly in minutes. Perfect backup lock security for old and broke lock,Enhanced Security Design: This window security bar provides a visual and physical deterrent to intruders and reduce the risk of burglary. They can also prevent children and pets from falling out of windows or going out