Iron weight units, stainless steel weights,iron cast weights,test weights F1 class available ; 2kg-1000kg 1.Iron weight units, stainless steel weights,iron cast weights,test weights2. F1 class available3. 2kg,5kg, 10kg, 20kg, 50kg, 100kg, 200kg, 500kg, 1000kg is available4. stainless steel 3045. Min qty 500kg6. Magnetic susceptibility < 0.057.Aluminum suitcase included stainless steel weights