If you are securing a door with either a knob or lever handle, simply place the U-shaped top underneath the knob or handle. | Adjust the bar by pushing the metal button to extend or shorten. It creates a strong and secure hold on the back of the door. | Keep extending the bar until it's snug underneath the door knob/lever. Made from heavy-duty 40-gauge steel, this strong bar can withstand 350 lbs. of pressure. |
If the sliding door or window is narrower than the base, simply turn the padded base sideways so that it is flat to the ground. | Use Door Security Bar on a sliding door or window, by removing the U-shaped top and placeing it horizontally on the bottom track 27" or longer. | This security bar is compact and makes a great travel door jam for your dorm, hotel room, RV, or office. |