MARTIN Strings M13HTT acoustic string SP steel full.013 (unit)

Acoustic string SP solid steel .013 Starting from a very solid core, Martin has finished all 6 strings with a tin coating to increase corrosion resistance. They were then provided with a high-quality wrap that ensures a consistent sound that remains song after song. Available in 80/20 bronze and 92/8 phosphor bronze. Thickness: 13