DR Strings Nickel Lo-Rider - Nickel Plated Hex Core Bass 45-100 Gauges 45-65-80-100 Hexagonal cores wound with nickel-plated steel Nickel Lo-Riders nickel-plated bass strings feature hexagonal cores wound with nickel-plated steel for a softer feel and a traditional warm nickel sound Lo-Riders bass strings are even, long lasting, and loud with midrange growl Excellent for fretless basses