Powerful basses, clear mids and open brilliance;High-end Premium strings for classical guitar;Bass strings from exclusive High tech core material;G3 from Precision Round Titanyl;E1 and H/B2 from Precision Round Nylon;Very balanced sound due to perfect tuning of the materials;High durability: up to 3 times longer than common strings;Packing unit = 10 pieces;Medium Tension;Diameter and tension:;E-1: 0,71mm/.028“, 7,0kg/15.43lbs;H/B-2: 0,81mm/.032“, 5,6kg/12.35lbs;G-3: 1,02mm/.040“, 6,3kg/13.89lbs;D-4: 0,72mm/.028“, 7,5kg/16.53bs;A-5: 0,89mm/.035“, 7,3kg/16.09lbs;E-6: 1,10mm/.0433“, 7,0kg/15.43lbs;Set tension: 40,7kg/89.72lbs;