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 was so excited to try these because of the positive reviews. Got it for two days but unfortunately, I received a defective one tuner. I loosen the thumb screw but the locking pin doesn't move for me to insert the string. Also some of the screws are a bit of rust. I send it back and reorder a new set, hopefully they will not send me a used set again.