DR Strings Black Beauties black coated strings represent the latest in coated guitar string technology! DR’s wire is pre coated before winding for extra life and extra protection.
DR's EXTRA-Life strings offer players a superior coated strings without sacrificing the crisp tone, clarity, and volume of traditional DR HandMade Strings. EXTRA-Life has a super thin advanced .0003 inch coating on the plain strings and on the wrap wire....the thinnest coating we know of. Advanced coating for EXTRA-Life and Protection.