D’Addario ECG23 Extra Light Flatwound XL Chromes Electric Guitar Strings Chromes 10-48ECG23 is D'Addario's lightest gauge of flat wounds. XL Chromes are noted for their smooth feel and warm, mellow tone, essential to the sound and style of many jazz, blues, and rock players. XL Chromes are our warmest, mellowest electric guitar strings. Beloved by jazz guitarists, as well as blues legends like Gary Clark Jr., these flat wound strings provide the smoothest feel and warmest tone, while allowing movement across the fretboard with no finger noise. Made with a high carbon steel core, Chromes’ stainless steel flattened ribbon wire is expertly wound onto a series of interlocking under-windings, then precisely polished for unparalleled smoothness and a sound which blends beautifully into any mix. 10-48 Extra Light is our lightest gauge of flatwound strings.ECG23 Flatwaound Extra Light10 14 20 28 38 48