Sliding Door Security Bar - Heavy Duty Patio Door Lock Bar, 17-50inch Adjustable Window Security Bars from Inside, Burglar Proof Sliding Door Stopper Stick, No Drill Tool-Free Easy Installation

["Sturdy, Reliable Build for Added Security: Crafted from high-density steel with anti-rust coating and non-slip rubber tips, this heavy-duty bar provides a solid, extra layer of protection for doors and windows in your home, apartment, or patio.","No-Drilling, Tool-Free Installation: Install or remove it in under a minute without damaging your window or door frame. The telescoping design with extension piece allows quick adjustment and easy storage, ideal for renters or portable use.","Intrusion Deterrent & Child Safety: Serves as both a physical barrier against unauthorized entry and an effective child safety lock, helping prevent accidental opening of sliding doors and windows by children or pets.","17\"-50\" Adjustable: With a wide adjustment range and fine-tuning bolt, the bar tightly braces against the frame without slipping or moving. Works as an effective slide stopper for horizontal sliding windows, up/down windows, and patio doors.","Versatile & Portable: Use it as a window security bar, sliding door lock, patio stopper, or even a travel safety stick. Compact, adjustable, and ready to secure any slider or hinged door inside your home, apartment, hotel room, or office."]