Straight Up 2700-M Phosphor Bronze Medium Gauge Acoustic Guitar Strings by Siminoff

Designed to compensate for the forward torque of string pull at the bridge, controlling the relationship of string tensions to one another for a more balanced tone and feel. String gauges have been determined by download on the bridge, improving string-to-string response. Gauges 012 016 0215 030 044 0535. The E and B strings are plain, G, D, A, and E wound with phosphor bronze.