2-in-1 Door Stopper Security Bar andSliding Door Lock Bar: Use this device for two different purposes with easily interchangeable caps for hinged doors and sliding door/window.
SECURITY BAR: Angled rubber bottom assures full contact and a strong brace on all types of floors without scratching them as well as all door knob types including french doors
ADJUSTABLE AND DURABLE: Bar can be adjusted between 18.25" to 46.50" and constructed of high-grade iron to withstand 400 pounds of pressure *please note: the sliding door caps decrease the maximum length to 46.50"
EASY TO USE: Easily props under doorknob and easy to remove. Security burglar bar can also be easily adjusted.
Check out new on Amazon for over $16 plus tax- Used once because I got a new door that already had a safety lock included.