Kala U-Bass Silver-Plated Nylon Core Round Wound 4 String SetModel: KA BASS 4 This unique bass ukulele string set is constructed with a nylon core with silver plated windings. These round wound strings provide a warm booming tone that the UBASS is known for. The strings are specifically constructed for the Kala UBASS to provide the player with extreme playability and accurate intonation. They feature lower tension compared to traditionally built bass strings which give them a great feel and makes them easy on