.045 | .065 | .080 | .100 Chromes, high-gloss polished, flat-wound, super long scale ECB81-5SL, the 5-string super long version of D'Addario's best-selling flat-wound bass strings, are known for their warm, smooth sound and polished feel. With the addition of a .132 deep B string, the ECB81-5SL Chromes deliver a deep, rich bass that makes them the preferred choice of jazz, R&B, and pop musicians. They fit super long scale basses with a string length of up to 38 inches. D'Addario Chrome bass strings are wound with flat-wound, stainless steel wire that is polished to an incredibly smooth surface. They provide a characteristic muted yet rich sound that only flat-wound strings can produce. D'Addario Chromes are the world's most popular flat-wound strings. - Super long 5-string version of D'Addario's best-selling flat-wound bass guitar set - Flat-wound and polished for an ultra-smooth feel and warm, gentle sound - Fits super long scale basses with a string length of up to 38 inches - Made in the USA for the highest quality and performance - String gauges: Wound .045, .065, .080, .100, .132 - Eco-friendly, corrosion-resistant packaging for always fresh strings.