What a deal! Two free packs of Slinkys when you buy 10. Gauges 10-13-17-26-36-46. Ernie Ball 2221 Slinky Electric Guitar Strings feature nickel-plated steel wire wrapped around tin-plated, hex-shaped, steel core wire. Slinkys provide vibrant, bright, lasting tone and reduce fret wear. This weight balances maximum response from your pickups with playability and bendability. Ernie Ball replacement strings are precision manufactured to the highest standards and most exacting specs to assure consistency, optimum performance, and long life. Jimmy Page, Eric Clapton, Steve Vai, and Slash are among the long list of Ernie Ball Slinky players.