D'Addario .020 Phosphor Bronze

D'Addario .020 Phosphor Bronze PB020 is a type of guitar string manufactured by D'Addario, one of the leading makers of guitar strings.

The "PB020" in the name refers to the gauge of the string, which is .020 inches in diameter. The "Phosphor Bronze" in the name refers to the material the string is made of, which is a type of alloy consisting of copper, tin, and a small amount of phosphorous.

This particular type of string is commonly used for acoustic guitars and is known for its warm and rich tone. It is suitable for a variety of playing styles, including fingerstyle and strumming. The phosphor bronze material also offers durability and resistance to corrosion, making it a popular choice for acoustic guitar players.