When you want to string your guitar up with nothing but the best, reach for a set of PRS Signature Series strings. The Signature Series string features a reformulated alloy on the wound strings, giving the string a greater magnetic property for louder and brighter tone! The ends of the string are soldered for extended life and superior tuning stability. Signature strings are the stock string found on all Maryland-made PRS guitars. This is a set of medium gauge strings from 11-49.