This is a D’Addario XL-Series bass guitar single string; perfect as a replacement or for creating your own custom set.

D’Addario XL-Series bass strings are the leading electric bass guitar strings range.These are madeusing bespoke, digitally-controlled machines guaranteeing unparalleled consistency, tone, and reliability. Using a high-carbon steel hex core and nickel-plated steel wrap wire they provide a bright, powerful tone which works for almost every style of playing. Nickel-plated steel offers perfect balance of dynamic magnetism and smooth, comfortable feel. Their distinctive bright tone is extremely versatile for all styles of music.