Check the listing for details. D'Addario ECG23 Chromes Flat Wound Guitar Strings, Extra Light, 10-48, 3 Sets. Condition: New. Listed at 49.99 USD. ECG23 is D'Addario's lightest gauge of flatwound strings. Chromes' smooth feel and warm, mellow tone is ideal for traditional jazz, rockabilly twang, R&B and some pop/rock styles.D'Addario Chromes are wound with flattened stainless steel ribbon wire which is polished to an incredibly smooth surface. Chromes deliver a distinctive damped but tone-rich sound that only flatwounds can produce. D'Addario Chromes are the world's most popular flatwound strings. D'Addario's lightest gauge of flat wounds delivers smooth feel and warm, mellow tone with minimum tensionRibbon wound and polished for ultra-smooth feel and warm, mellow toneEnvironmentally friendly, corrosion resistant packaging for strings that are always freshAll D'Addario strings are designed, engineered, and manufactured in the USAString Gauges: Plain Steel .010, .014, Stainless Steel Flat Wound .020, .028, .038, .048