V fit herculean 50kg cast iron weight set the v fit herculean 50kg cast iron weight set can be used on its own or with one of our weight bench systems this weight set is the ideal place to start with body buildingstrength training with its 50kg cast iron weights the bars and discs have a standard 1 25cm diameter to allow extra weights to be added this also means the can be used with any standard weight bench package includes 2 x 6kg discs 4 x 4kg discs 4 x 2kg discs