BEN'S LOVE BALL - Quality Surgical Steel Lust Ball on ChainBen's Love Ball is a 40mm hollow ball made from mirror polished steel with a 25mm ball contained inside.90mm chain attached for ease of removal. 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.