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.
This came with a manufacturer defect - the top and bottom plate of the handle was not flush. Because of where we were with the project we had to return and buy at a local hardware store. I was not impressed with the QC.