The Rickenbacker Nickel Round Wound Guitar Strings come in a regular 10-46 gauge range. They are the perfect strings for your Rickenbacker or other 12 string electric guitar. These are the same strings that are fitted to all standard scale 12 string Rickenbackers from their factory in the USA.The compressed construction acts as a half way point between flat wound and round wound but retaining the full tone of round wound strings. These are the strings that all standard scale Rickenbackers are outfitted with straight from their factory. They are an ideal choice for any guitarist looking to replace the strings on their Rickenbacker or other 12 string electric guitar. Specifications String Gauges e: .010 (Plain) e Unison: .010 (Plain) B: .013 (Plain) B Unison: .013 (Plain) G: .017 (Plain) G Octave: .010 (Plain) D: .026 (Wound) D Octave: .013 (Plain) A: .036 (Wound) A Octave: .020 (Wound) E: .046 (Wound) E Octave: .026 (Wound)