Acoustic Science Premium Treated Nickel Steel Electric Guitar Strings. Keeps you sounding great and extends string life by keeping gunk off the guitar string surface (Medium 11)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Treated Electric Guitar Strings with a hex core and Nickel Steel winding for better sound and smoother feel </span></li><li><span class="a-list-item"> Treated Guitar Strings Maximize Playability and String Life According to Our Customers </span></li><li><span class="a-list-item"> The only treated string brand that protects the entire string with Nano Technology， which keeps the tone of the string longer by keeping buildup out of the windings </span></li><li><span class="a-list-item"> These treated guitar strings reduce finger squeak which is essential for playing live and recording </span></li><li><span class="a-list-item"> Pick you size XLT， LT or Med </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/512f2Qrd7hL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5148uk3B-KL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41sKt9dzy6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51wy1HEUdiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41tgjFWZtlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412TwgX-NlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311p3Z-hSqL.jpg" noproxy>