DR Strings Electric Guitar Strings, Black Beauties - Extra-Life Black Coated, 12-52 Extra Heavy Gauge: 12-15-24-32-42-52 The latest in coated technology for increased tonal life Black precoated wire for fast and smooth fingering DRs EXTRA-Life Black Beauties offer guitar players a superior black coated string without sacrificing the crisp tone, clarity, and volume of traditional DR HandMade Strings EXTRA-Life is a super thin advanced