This bundle includes three packs of GHS GBH Boomers 12-52 strings. 

Now known as "The Power String", GHS Boomers® continue to make their mark on music across the world. The roundwound guitar set is made with Nickel-Plated steel wrapped tightly around a round core wire. The combination provides the string with its bright characteristic and long-lasting tone.

Gauges:

• 012
• 016
• 019
• 28w
• 38w
• 52w