These PRM Progressives Roundwound Medium Electric Guitar Strings from GHS are extremely bright and durable.
Made with a magnetically active Alloy 52 wrap wire, which is a nickel-iron alloy, wound around a steel hex core wire, the Progressives produce a powerful sound with plenty of sustain and will magnify any playing style.
Medium roundwound string set made with magnetically active Alloy 52 wrap wire tightly wound around a steel hex core wire
Bright, powerful sound with lasting sustain
Excellent longevity
Made in the USA