Ernie Ball 2221 Regular Slinky is a six-string set for electric guitar, with gauges .010, .013, .017, .026, .036 and .046 inches.

Standard 2221 Regular Slinky single set for six-string electric guitar.
Gauges: .010, .013, .017, .026, .036 and .046 inches.
Nickel-plated steel winding over a hexagonal steel core on the wound strings.
Tin-plated carbon steel plain strings.
One complete six-string set; guitar and fitting tools sold separately.

The wound strings have nickel-plated steel windings around a hexagonal steel core. The plain strings use specially hardened, tin-plated carbon steel. This standard Regular Slinky set combines the familiar 10–46 gauge range with a balanced electric-guitar response.

Includes one complete six-string set in its packet. Guitar and installation tools are not included.