Instrument Strings
Knobloch Strings Double Silver Carbon CX 500ADC
Knobloch Strings Double Silver Carbon CX 400KAC, String Set for Classical Guitar, High tension, Treble strings: Carbon CX, Bass strings: 'Double Silver' wound, Made in Spain
https://www.bizrate.co.uk/strings/knobloch-strings-double-silver-carbon-oid7957194689.html