ZAM Grinders appears to be a legitimate website. It offers high-quality herb grinders with unique designs, including a 1.1" small pocket grinder and a 2.5" stainless steel grinder. The grinders are made from durable materials like aluminum 6061 and stainless steel. The website features positive testimonials from reputable sources such as HighTimes and Forbes, praising the grinders for their design and functionality.