They boast a 50% thinner coating that delivers at least 4 times more string life and unparalled uncoated string tone. With that, in addition to our compound-plated plain steel strings, which deliver 4X more corrision reisistant tin, we have produced the ultimate coated string. Hopefully, you've had a chance to try them. Look for the "New" artwork on the front of the package. We look forward to your comments. Feel free to post here! 

For more information, please visit www.daddario.com/EXP where you'll find product and manufacturing details and video.