Ernie Ball Earthwood's 80/20 Bronze Acoustic Guitar Strings are a top - notch choice. They're made of an 80% copper and 20% zinc wire that's wrapped around a hex - shaped brass - plated steel core wire. These strings offer a sharp, ringing sound with lovely overtones. Features: String Material is 80% Copper and 20% Zinc. Gauges include 010 - .010, .014 - .014, .022w - .009, .030 - .012, .010 - .018p, .048 - .028, Custom Light.

Using these Ernie Ball Earthwood acoustic guitar strings is easy. Just replace your old strings one by one. Start from the top string and work your way down. When you're putting on a new string, make sure it's properly wound around the tuning peg. For best results, tune your guitar after changing each string. As for maintenance, wipe the strings with a clean, dry cloth after each use. This will remove dirt and sweat, which can cause the strings to wear out faster. Avoid exposing the strings to extreme humidity or temperature changes, as this can affect their sound and lifespan. Also, if you notice any signs of wear or if the sound starts to dull, it's time to replace the strings.