DR Strings Nickel Lo-Rider - Nickel Plated Hex Core 6 String Bass 30-125 .030 .045 .065 .085 .105 .125 - set / E-BassE-Bass Tite Fit Medium 6-stringNickel Plated Steel34 LongscaleRoundwoundHexagonal CoreHandmade in USALo-Rider nickel-plated bass strings are based upon hexagonal cores. wound with nickel-plated steel. specitically designed for a softer feel and a traditional warm nickel sound. These bass strings are even. long lasting. and loud with a mid-range growl. An excellent string for fretless basses... Lo-Riders Love to Funk.