SGN ProductsThese sets of strings are designed for both beginners and professional players. The gauging and materials have been selected to provide a great sound because the sound is what it is all about. Whether it’s blues, rock, Hawaiian or country music, GHS Custom strings will suit your needs! GHS provides airtight packaging and an Anti-Corrosion inch with our Nitro-Packs. With our Nitro-Packs we have eliminated the oxygen and sealed in nitrogen to insure the utmost line of defense against corrosion and oxidation for each individual string. The strings are manufactured with care in the USA and the core to wrap ratios give you brilliance, sustain and volume - a great combination to make sure you are heard loud and clearWe would REALLY appreciate it if you would take a moment and post a review for us.We sell and ship both USA/Internationally Product reviews have a huge effect on our ability to sell and be successful on . If you purchase this product, we would REALLY appreciate it if you would take a moment and post a review for us