Nickel Wound Regular Slinky Strings This listing is for a set of two, as shown in the photos. I purchased these as spares in the past and they are unopened. There is a subtle difference in the sheen of the packaging, but the details are unknown. - Gauge: .010 .013 .017 .026 .036 .046 - Type: Nickel Wound - Model: Regular Slinky - Made In: USA - Price: 580 yen Thank you for looking.