Check the listing for details. Black Classical Flamenco Acoustic Guitar Strings Beads for guitar.... Condition: New. Listed at 25.25 USD. Black Classical Flamenco Acoustic Guitar Strings Beads for Classical guitar and for flamenco guitar with Nylon strings carbon strings Product Details Item Weight: 0.353 ounces Product Dimensions: 4.13 x 2.56 x 0.2 inches String Gauge: Heavy String Material: Nylon Brand: Alba Guitar Beads Instrument: Acoustic Guitar String Material Type: Nylon Recommended Uses For Product: For classical, flamenco and tenor guitars, ukuleles, and other nylon string instruments When the string is pulled and it rings it is engaging better with the soundboard of the guitar, providing a clearer and richer sound. The tone and intonation of the guitar improve by moving the string tension on the end of the bridge. Keep the guitar in tune for longer. No more string scratches, grooves and marks on the bridge and on the guitar body. Simple to install, making string changes quick and hassle-free for guitarists of all levels. Helps maintain optimal string tension, contributing to better sound quality and performance. Made from high-quality materials, the beads ensure durability and long-lasting performance.