Gray Iron Padlock 1,Iron lock body 2,Iron or Brass or Semi-Brass Cylinder 3, three normal iron keys 4,OEM iron padlock1,customer ... duty type, medium type, thin type)3,Material: cast iron lock body4,Cylinder: iron or brass or semi-brass5,Shackle:Chrome plated, long ... flexibility, waterproof and rust resistance; durable performance Iron Padlock with 3 normal keys