ECB81SL, the super long 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 super long scale basses with a string scale length of up to 38 inches.\n\nD'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.\n\n- Super long version of D'Addario's best selling flatwound bass guitar set\n- Ribbon wound and polished for ultra-smooth feel and warm, mellow tone\n- Fits super long scale basses with a string scale length of up to 38 inches\n- Made in the U.S.A. for the highest quality and performance\n- String Gauges: Wound .045, .065, .080, .100\n- Environmentally friendly, corrosion resistant packaging for strings that are always fresh.