What are the small round plastic cards in the bag of the key given by the Buyang security door

Updated on Security door 2024-05-22
1 answers
  1. Anonymous users2024-01-24

    This is a small cover for the installation hole, you look carefully at the door frame, there are a few holes symmetrical up and down on each side, those holes are used to install the door when the expansion screw is used to drop (otherwise the power tool will not be able to reach in), you press the cover against the hole, and cover it.

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