Hannabach Strings for classic guitar Serie 890 1/4 guitar for children Duel: 49-52 cm - Set of 2 G-Strings (890MT 1/4)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