This is a set of D'Addario EXL170 and XLB130 nickel wound electric bass strings for 4-string and 5-string basses. The material is nickel, long scale. It includes a regular light gauge of 45-130 and a single 130 string for the 5th string. Purchase will be around October 2025. This is a new, unopened item, but the outer box of the EXL170 has some peeling. - Brand: D'Addario - Model Name: EXL170, XLB130 - String Type: Nickel Wound - String Size: Long Scale 45-100, 130 #bass #bassstrings #5string #multistring #longscale #daddario #d'addario #nickel #45-130 Thank you for looking.