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.
All of the nozzles in this pack were inconsistent with their quality. None of them would extrude correctly, all of them were under extruding and strangely leaving behind black metallic specs in my prints.