Check the listing for details. D'Addario EXL120 Guitar Strings Bulk -Pack Super Light 25 Sets 25 Sets. Condition: New. Listed at 139.99 USD. EXL120 strings, one of D'Addario's best-selling sets, deliver super flexibility and biting tone. A standard for many electric guitars, this convenient box gives you easy access to 25 complete sets of D'Addario EL120 strings at bulk-rate pricing. This is ideal for repair shops, luthiers, guitar techs, collectors and for re-stringing large quantities of guitars in a store. Gauges 09-11-16-24-32-42.XL Nickel Wound, D'Addario's most popular electric guitar strings, are precision wound with nickel-plated steel onto a carefully drawn, hexagonally shaped, high carbon steel core. The result, strings with long-lasting, distinctive bright tone and excellent intonation, is ideal for the widest variety of guitars and musical styles.