Stake Out Penis PlugA insertable penis plug made from premium medical steel MeasurementsOverall length: 95mm Insertable length: 70mmPlug width: 8mm Diameter ring: 28mm This product is certified 100% Non-Magnate and medical-grade steel. Beware of cheaper products that are not solid surgical steel but chromed steel or poor quality surgical steel that contains Magnate. Magnate is the ingredient that makes steel rust. We will only include this endorsement on our 100% surgical steel products.