Strings for 1/4 children's classical guitar with scale 490-520mm/19.3"-20.5";New version with 2 G-strings (plain nylon and wound);Bass strings with silver-plated round wire, wound, tarnish-proof coated ;Precision Round Nylon Treble strings;String tension coordinated especially for children;Made in Germany;Medium Tension;Diameter and tension:;E-1: 0.75mm/,0295"; 5.4kg/11.02lbs;H/B-2: 0.9mm/.0354"; 5.0kg/9.92lbs;G-3 plain: 1.05mm/.041"; 4.8kg/12.79lbs;G-3 wound: 0.64mm/.025"; 5.9kg/13.01lbs;D-4: 0.81mm/.032"; 6.8kg/14.99lbs;A-5: 0.99mm/.039"; 6.4kg/14.11lbs;E-6: 1.20mm/.047"; 6.4kg/14.11lbs;Set tension: 40kg/79.61lbs