DR Strings Electric Guitar Strings, Dimebag Darrell Signature, Treated Nickel-Plated, 10-52 DR Dimebag Signature on Hex Core Electric Medium Heavy 10-52 DR Dimebag Signature on Hex Core Electric Medium Heavy 10-52 DR Dimebag Signature on Hex Core Electric Medium Heavy 10-52 Hi-Voltage strings are made with a nickel-plated steel wrap on a hex core