High-end Premium strings for classical guitars;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;Powerful basses, clear mids and open brilliance;High durability: up to 3 times longer than common strings;Packing unit = 10 pieces;High Tension;Diameter and single tension;E-1: 0,73mm/.0287", 7,2kg/15.87lbs;H/B-2: 0,84mm/.033", 6,0kg/13.23lbs;G-3: 1,03mm/.040", 6,4kg/14.11lbs;D-4: 0,74mm/.029", 7,9kg/17.42lbs;A-5: 0,91mm/.0358", 7,7kg/16.98lbs;E-6: 1,12mm/.044", 7,4kg/16.31lbs;Set tension: 42,6kg/93.92lbs;