This is a box of Vintage '50s/'60s Gibson Sonomatic 1/2 Dozen Light Gauge Guitar Strings No. E-338L. The Electric Spanish Guitar String with the Magic Tone. E or 6th Wound. Gibson Hand Made Guitar Strings. Set of 6. For: Guitar, Steel Guitar, Banjo, Mandolin, Ukulele, Electric Bass. Knowledge of these strings is limited so please see all included pictures for visual condition and item description. Items pictured are the exact items you will receive.