To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The screws fall off and they are so tiny that they get lost. You may not even know it until after you vacuum and ruin some of your work. I looked everywhere. No replacement screws so the set is ruined.