MARTIN Strings MTR25HTTP acoustic string Lifespan SP 92/8.025 (unit)

Lifespan 2.0 Acoustic String 92/8 Phosphor Bronze Thickness .025 This technology protects both the core and the wound of the string from corrosion without distorting the sound. The Authentic Acoustic Lifespan 2.0 looks like new for longer, sound better and feel more comfortable. Two years of research were necessary for Martin Guitar to develop the most powerful durable strings on the market. Available in 80/20 bronze and 92/8 phosphor bronze.