The Ernie Ball single strings selection is ideal for making custom gauges, for spares or for replacing that one broken string! With plain steel strings for acoustic or electric guitar and Nickel round wound for electric guitar there's pretty much every gauge you could need! 

Plain gauges available are: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24

Wound gauges available are: 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74

The Ernie Ball strings you know and love here in singles!