MFE - Cast Iron DumbbellsPowercore Equipment: MFE Cast Iron Dumbbells Made from cast iron weight plates, these dumbbells come in many variations and are extremely durable. These MFE Cast Iron Dumbbells offer a unique feel as opposed to normal dumbbells, providing reliable and effective tools for a wide range of strength training exercises. Key Features & Specifications Category Detail Product Name MFE Cast Iron Dumbbells Material Made from cast iron weight plates. Variety