• Experience the original Phosphor Bronze acoustic guitar strings! In the 70s, D'Addario revolutionized the industry by introducing phosphor bronze wire. These strings offer natural corrosion - resistance, making them last longer.
• Enjoy a warm, bright, and balanced tone! Combined with D'Addario's high - carbon steel hexagonal cores, the strings produce a full, clear, and vibrant sound.
• Trust the most consistent and advanced strings brand! D'Addario is the only manufacturer with an in - house wire - drawing facility, ensuring strict quality control from start to finish. With up to 700,000 strings produced daily, these are the most popular acoustic guitar strings for volume, projection, and comfortable playability.
D'Addario's most popular acoustic guitar string set is known for its long - lasting tone and easy playability. It's preferred for its warm acoustic sound and comes in an eco - friendly, corrosion - resistant package. Made in the U.S.A. for top - notch quality. String Gauges: Plain Steel 12, 16, Phosphor Bronze Wound 25w, 35w, 45w, 56w.
D'Addario says: 'In 1974, we were the first to use Phosphor Bronze in acoustic guitar strings. Now, it's the global standard for its sonic balance and warmth. Our strings are precision - wound for all acoustic styles and genres. The 12 - 53 Light gauge is our most popular, offering a great balance of playability and tone.'

These D'Addario acoustic guitar strings are perfect for bluegrass players and anyone who loves acoustic music. Whether you're performing on stage or practicing at home, these strings will deliver a great sound. They are made in the USA with high - quality materials. The string gauges are Plain Steel 12, 16 and Phosphor Bronze Wound 25w, 35w, 45w, 56w, which provide a good balance of playability and tone.