Descriptions: Made of zinc alloy with high hardness, no rust, wear resistance and corrosion resistance. With good surface treatment, it is durable to use without scratches, dust and water resistance.
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.