What you will get:
The L bracket has two parts that is the longer vertical bracket and the shorter horizontal bracket. The longer L shape vertical bracket need to be mounted on the wall or window frame, the horizontal bracket with a top width of 1-1 / 2 inch (38 mm) is to hold the headrail of the vertical blinds.

How to use:
1. Mark the screw holes with a pencil at the desired height you want to mount. Then drill pilot holes at the marked screw hole locations.
2. Attach the vertical bracket to the wall or window frame with screws, make sure fasten securely.
3. Slide the headrail of the vertical blinds into the horizontal bracket. The headrail should fit snugly into the bracket.
4. Test the blinds by pulling the control chain or cord to open and close, to ensure them operate smoothly.

Note:
The mounting bracket has slots to fix the internal mounting surface of the frame, but only for the top rail or rail vertical blind head rail with a top width of 1-1 / 2 inch (38 mm). Please check the size before order.