Check the listing for details. GHS Boomers GB7M Electric Guitar Strings 7-string set gauges10-60. Condition: New. Listed at 12.99 USD. This sale is for 1 set (7 strings per set) of brand new GHS Boomers Roundwound Electric Guitar Strings (GB7M 7-string 10-60) Product Information: Individually boxed... new... never opened or used!Gauges 10-13-17-26-36-46-60From 1964 to now, the GHS Boomers® series has been the flagship set of GHS Strings. Used by musicians in every genre, the Boomers® have shown to stand up to any playing style. 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. For nearly 50 years, GHS has been the tone of Rock, Country, Blues, and Bluegrass. Isn't it time you tried on a set? Shipping Information: Combined Shipping: We will gladly combine shipping on multiple items- please use the “request total from seller” function on the payment page or email us to request a total BEFORE submitting payment. International Shipping: Please note that USPS does not track First Class or Priority Mail internationally- tracking by customs number varies by destination country. Express Mail is the ONLY trackable USPS international service. For Priority or Express, please contact us for a price quote. First Class International Mail typically takes 2-3 weeks to arrive, depending on destination country and customs. We promise fast shipping (usually within 1 business day). US and international orders welcome!Shipping will be handled by USPS. USPS Express Mail (overnight) is available (U.S. orders only).Thank you!