Iron weight units, weights,iron cast weights ,iron casting weights,stainless steel weights M1 class available ; 2kg-1000kg 1. Iron weight units, weights,iron cast weights ,iron casting weights,stainless steel weights2. M1 class available3. 2kg,5kg, 10kg, 20kg, 50kg, 100kg, 200kg, 500kg, 1000kg is available4. Inside iron; good surface iron cast weights