D'Addario ECB81M Chromes Bass Guitar Strings, Light, 45-100, Medium Scale Medium scale version D'Addario's best selling flatwound bass guitar set Ribbon wound and polished for ultra-smooth feel and warm, mellow tone Fits medium scale basses with a string scale length of up to 34 inches Made in the U.S.A. for the highest quality and performance String Gauges: Wound .045, .065, .080, .100