Sliding Door Security Bar 17-53.5 Inches(2) 17-53.5inch Adjustable Locking Window Locks with Rubber Tips Patio Stopper Anti-Burglar Reinfo

Full Scene Security Coverage : Specifically designed for sliding doors/windows , it is widely applicable to home balconies , hotel rooms , apartment floor to ceiling windows , and other scenarios Non Slip Stable System : Equipped with high friction rubber pads at the bottom , combined with a dual nut tension adjustment system . It locks firmly on tracks of various materials (wood , metal , plastic , etc .) and installs without drilling , leaving no scratches on window frames Adjustable Length : Features an extendable design adjustable between 17 and 53.5 inches . It fits various doors and windows , from small balcony doors to large patio glass doors . Essential for homeowners and travelers seeking security during temporary stays Easy Installation : No drilling tools required . First , measure the approximate size , then press the spring button to adjust the telescoping length . Insert it into the sliding door/window and rotate the dual nuts to adjust tension . In emergencies , this home security lock can be quickly removed by adjusting the tension Reinforced Structural Design : Crafted with a high strength 1 inch thickened tube body and a fiberglass reinforced structure , it can withstand impact force up to 400 lbs . It effectively blocks forced intrusion , providing reliable protection for home living and travel scenarios