D'Addario EXP170 Coated Bass Guitar Strings, Light, 45-100, Long Scale Coated version of D'Addario's best selling electric bass set EXP Coated nickelplated steel for distinctive bright tone and 4 times more life Fits long scale basses with a string scale length of up to 36 1/4 inches Made in the U.S.A. for the highest quality and performance String Gauges: Wound .045, .065, .080, .100