Instrument Strings
Knobloch Strings Double Silver Nylon 300ADQ
Knobloch Strings Double Silver Nylon 300KAQ, String Set for Classical Guitar, Medium tension, Treble strings: Nylon, Bass strings: Double Silver Nylon Q.Z., Formerly 300KAQ, Made in Spain
https://www.bizrate.co.uk/strings/knobloch-strings-double-silver-nylon-oid8729929896.html