The anti-theft door handle, as its name implies, is a handle mounted on the security door. It can facilitate the opening and closing of the security door. It is usually made of metal materials such as iron, steel and aluminum through physical processing such as forging, rolling and cutting. It is an indispensable hardware accessory on the modern home security door. Also,its installation can also affect the use of the security door to protect the home security.

1. Open the door so that you can operate both the inner and outer door handles at the same time. Locate the two screws on the inside door handle cover that are attached to the inner and outer door handles together.

2. Two screws are counterclockwise with a Phillips head screwdriver, and the inner door handle pulls the door handle away from the door.

3. Use the Phillips head screwdriver to remove the two screws on the outer edge of the fixed latch door. And then pull out the latch plate  assembly.

4. Use two Phillips screwdrivers on the door frame to counterclockwise and pull the door frame off.

5. Place the new latch tab assembly through the door on the edge of the hole, and the portion of the curve of the latch bolt should point to the outside of the door. Wood screws included with the door latch kit.　

6. There are two fixed screws to fix the hole of the cover,and then turn the screw thread clockwise.Then the outer handle is located, and use the Phillips screwdriver to tighten the screw.

On the curved side door frame that is bent around the inside of the door frame, fix the impact plate and tighten the screws  to the kit.