Light (10-46) 3-Pack of 6-String Sets. Augustine Strings. General Merchandise. Published by Augustine Guitar Strings . Augustine Spectra Electric Strings are light nickel-plated strings featuring cultivation and completion of the famous Segovia sound. Choose from extra-light (.009-.042), light (.010-.046), medium (.011-.048) and heavy (.012-.054). The light set features: • E1 – .010″ – 0.25mm • B2 – .013″ – 0.34mm • G3 – .017″ – 0.43mm • D4 – .026″ – 0.61mm • A5 – .036″ – 0.86mm • E6 – .046″ – 1.17mm.