1. These needles are made of premium copper material, and after surface electroplating, the surface is smooth and comfortable, not easy to rust and fade, always maintain a bright luster, sturdy and durable. 2.
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 analyzes reviews to verify trustworthiness.