The daddario ej44 pro arte extra hard tension strings are best suited to classical guitarists who need strong projection and reliable tone for live performance or demanding practice. These strings combine high tension with a durable nylon build offering greater resistance under the fingers for dynamic playing and enhanced volume. The silver plated copper wound bass strings are built on a multifilament nylon core helping deliver a warm rounded tone with consistent response. On the upper end the clear nylon trebles provide sweet mellow highs that suit a wide range of classical styles. Each set uses traditional tie ends making them compatible with standard classical guitar bridges. They come packaged in a resealable recyclable bag that includes a code for earning players circle points. Made in the usa to tight specifications this set delivers durability and tone you can trust.