GHS BB40M 80/20 Bronze Medium Acoustic Guitar Strings

The GHS BB40M acoustic guitar strings are made from 80/20 copper zinc alloy. The unique core-to-cover ratio combined with the specially tempered alloy delivers a bright tone with exceptional feel. The perfect sound for all your guitar explosions. GHS has made high-quality strings since 1964. Medium. Gauges 13-17-26-36-46-56.