Sliding Door Security Bar, Heavy Duty Patio Sliding Glass Door Window Lock Bar, 17-50 inch Adjustable Home Security Burglar Bars Inside Door Stoppers Security for Child Kids Pet Safety White

Sturdy Construction: The sliding door security bar is made of 1" diameter high grade steel, which is rustroof and strong to withstand 400 pounds of pressure. Sturdy for long time use. The linch pin locks the telescopic system and anti-slip end caps increase friction, giving you extra security.
Adjustable Length: The patio door security bar can be adjusted between 17-50 inches by splicing extension rod and adjusting telescopic rod to adapt to various door width. You can set to full length and fully lock the door. You can also slide it a few inches shorter and have the door locked at a small open position to allow fresh air but no one can just come open your door.
Widely Used: This sliding door security bar can be used as a sliding door lock to withstand repeated impacts from intruders breaking in, and to prevent children or pets from getting out. It can also be used as a window security bar to prevent children or pets from opening the window and falling out.
Easy to Install and Remove: No tools or drilling required! Simply extend the bar or splice the extension rod to the desired length and secure it in place for quick setup. When not in use, the security bar can be easily removed and stored away.
Non-Damage Design: Rubber end caps protect your door or window frames from scratches or any damage.

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