The HandMade String™ is now The HandMade COATED String™! DR HandMade Strings makers of the world s finest handmade guitar and bass strings now combines the latest wire technology with old-fashioned craftsmanship. DR s EXTRA-Life™ is the world s finest coated string. EXTRA-Life™ has a super thin advanced .0003 coating. This coating includes a corrosion inhibiting lacquer for extra protection against damaging substances such as perspiration dirt humidity and acid hands . DR s EXTRA-Life™ strings offer players a superior coated string without sacrificing the crisp tone clarity and volume of traditional DR HandMade Strings. Red Devils™ have a red coating that make every bass look great! Gauges: .045; .065; .085; .105