Although several years have passed since the purchase, the item is unused. This is a set of D'Addario strings. I am selling these because I changed the gauge of my strings and no longer need them. Nickel wound long scale electric bass strings, gauge is .055 to .110. - Brand: D'Addario - Model: EXL230 - Gauge: .055, .075, .090, .110 - Type: Nickel Wound - Scale: Long Scale Thank you for looking.