Improved Door Safety Bar, Extended Bar for Doors, Adjustable Balcony Lock with Non Slip Rubber Base, Burglary Protection Window, Home, Apartment

Reinforced structural design: crafted with a high-strength 1 inch thickened tube body and a fiberglass reinforced structure, it can withstand an impact force of up to 400 pounds. It effectively blocks forced penetration and provides reliable protection for living and travel scenarios Adjustable length: features an expandable design that is adjustable between 17 and 53.5 inches. It fits various doors and windows, from small balcony doors to large courtyard glass doors. Important for homeowners and travelers seeking security during temporary stays ANTI-SLIP STABLE SYSTEM Equipped with high-friction rubber pads on the bottom, combined with a double nut tension system. It locks firmly on rails of various materials (wood, metal, plastic, etc.) and installs without drilling without leaving scratches on window frames EASY INSTALLATION No drilling tools required. First, measure the approximate size, then press the spring button to adjust the telescopic length. Insert it into the sliding door/window and turn the double nuts to adjust the tension. In emergencies, this safety lock can be quickly removed by adjusting the tension. Full Scene Security Coverage: specially designed for sliding doors/windows, it is widely applicable for home balconies, hotel rooms, apartment floor to ceiling windows and other scenarios