Martin Guitars MA550FX Acoustic Flexible Core Phosphor Bronze Medium

Martin Guitar Authentic Acoustic Flexible Core Phosphor Bronze - Guitar Strings Medium MA550FX
Extra easy-to-play string set with a rich sound for acoustic guitar.
The Authentic Acoustic series is carefully crafted with sound, longevity and playability as the three priorities of the developers at Martin Guitar.
Just like in their guitars, they have used raw materials of the absolute highest quality here too and the production is also of the same meticulous precision.
The Flexible Core series has a thin steel core and thicker winding gives a lighter playing feel but still a full sound.
The plain strings are made of steel of the highest quality.

Common question
Do Martin Guitar strings fit on guitar brands other than Martin Guitar?
Answer: Absolutely, you can use Martin strings on acoustic guitars of other brands without any problems!

Medium MA550FX contains:
E: 013
B: 017
G: 026 Spun
D: 035 Spun
A: 045 Spun
E: 056 Spun
 
Specifications:
Model: Medium
Thin core with thicker winding
Phosphor Bronze
Plain steel strings
Tension 190.4 lbs
Manufacturer's Part No. MA550FX