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.
I needed to add a clamp to my Tundra ARE Cap that somewhat matched the others I had. These had enough width from the clamp to the screw, and enough height. Dinged it a star because I only really needed one.