CLEARTONE ACOUSTIC.012-.056 BLUEGRASS<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Thinnest coating ever! Dramatically increases string life Protects strings from corrosion Withstands hard strumming American made </span></li><li><span class="a-list-item"> Approved by bluegrass studio musicians for high-frequency clarity with the light strings， and low-frequency "thump" for the lower strings </span></li><li><span class="a-list-item"> This bluegrass set also features a unique treatment called EMP that coats the entire string with an ultrathin protective film </span></li><li><span class="a-list-item"> It's the thinnest coating ever applied to guitar strings (less than one micron!) and will withstand more abuse from hard strumming than coatings 1000 times thicker! EMP ensures longer string life by protecting strings from corrosion due to skin acidity， salt， and moisture without compromising feel and sound </span></li><li><span class="a-list-item"> Cleartone Acoustic Strings feature the finest phosphor bronze available for the warmest and brightest resonance on acoustic guitars </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/517t1ynKRGL.jpg" noproxy>