10 Set Box. The D’Addario EXP26 Coated Phosphor Bronze Custom Light Acoustic Guitar Strings bring together a unique gauging set with a proprietary coating that extends string life for a staple accessory that won’t quit on you. String Gauges: Plain Steel. 015, Phosphor Bronze Wound. Check out my other items too! Buyers with negative or private feedback will have the sale cancelled. Communication expected within 24 hours of winning the sale. My customers’ satisfaction means everything to me. Thank you for being a valued customer!