Ernie Ball Acoustic Guitar Strings, Custom Medium

Vibrant and balanced with excellent projection and clarity. Ernie Ball's unique half-gauges allow players to find their perfect acoustic guitar string set. Custom Medium sits in between Medium and Medium Light. Premium materials and precision manufacturing ensure a durable, dependable, long lasting guitar string. 80/20 bronze (80% copper, 20% zinc) wire wrapped around a high-carbon steel core wire. Perfect for professionals and beginners alike.