Thomastik-Infeld Strings for classic guitar John Pearse Folk Series Light - Set (PJ116)Outstanding Nylon string for finger style The treble strings are nylon wound over the rope core The sound is brighter than nylon strings E, H B, G: Nylon ribbon on steel rope core, D, A, E: silver plated bronze round wire on nyloncore All strings with ball end. Similar low string tension to guitar string set 38,7kp