ECB81S, a short scale version of D'Addario's best-selling 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 short scale basses with a string scale length of up to 32 inches. D'Addario Chromes Bass strings are wound with flattened stainless steel ribbon wire which is polished to an incredibly smooth surface. Delivering a distinctive damped, but tone-rich sound that only flatwounds can produce, D'Addario Chromes are the world's most popular flatwound strings. Short scale version D'Addario's best selling flatwound bass guitar set Ribbon wound and polished for ultra-smooth feel and warm, mellow tone Fits short scale basses with a string scale length of up to 32 inches Made in the U.S.A. for the highest quality and performance String Gauges: Wound .045, .065, .080, .100