This Ernie Ball 1685 Nickel Roundwound .085 Electric Bass Single String is a high-quality guitar string suitable for bass guitarists. The string is made of nickel-plated steel and is uncoated, making it a durable and long-lasting choice. With a roundwound design and a string gauge of 0.085, this single string is perfect for players who want a comfortable and flexible option. It is made in the United States and is suitable for use with a variety of bass guitars. Whether you are a beginner or an experienced player, this Ernie Ball string is a great choice for your guitar.