This is a 14kgf (gold-filled) round half-hard wire. Normally sold as a set of four types, but this is a single item due to a cutting error. Half-hard 28 gauge (0.32mm) Approximately 1m It will be packaged as shown in the photo. There may be some bends in the wire. Please be careful not to get injured when handling, as it is thin. The presence or absence of nickel in this item is unknown.