D'Addario PL011 Plain Steel Guitar Strings Single

Gauge: .11.
D'Addario Plain Steel strings are made using round steel wire with a patented Lock Twist, ensuring the ball end will not separate from the string. Plain Steel strings can be used on Electric or Acoustic Guitars.
D'Addario is the world's largest manufacturer of strings for musical instruments. Many top guitarists won't play any other brand. Regardless of your playing style, D'Addario has a set that's right for you.