ECB82, D'Addario's heaviest Flatwound bass strings, are known for their warm, mellow tone and smooth polished feel. Chromes deliver a deep, rich low bottom end which makes them the flat wound choice of Jazz, R&B and Pop musicians. Fits long scale basses with a string scale length of up to 36 1/4 inches. D'Addario's medium gauge flatwound bass guitar set Ribbon wound and polished for ultra-smooth feel and warm, mellow tone 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 .050, .070, .085, .105 Environmentally friendly, corrosion resistant packaging for strings that are always fresh