Ever since i tried elixir Strings a year ago, i never went back or use any other brands,, this is really perfect for me & my sweaty hands, coz they don't rust that easily & quickly, (not like DR's & D'addario's that only last for a few days, rust quickly builds-up on those brands ) , but Elixir's they stay in tune even with whammy bar abuse and heavy bends & it really last for so long.!!! , i'm so happy i found Elixir Strings... it's a real saver...