FS50BT Discontinued
Acoustic guitar strings featuring Yamaha's unique anti-rust technology.
Set List
FS51:1E / .012" (0.30mm), FS52:2B / .016" (0.40mm), FS53BT: 3G / .025" (0.63mm), FS54BT: 4D / .032" (0.83mm), FS55BT: 5A / .042" (1.07mm), FS56BT: 6E / .052" (1.33mm)
