No. of Strings: 6-String Set Gauge Range: 10.5 - 48 Gauges: 10.5 , 13.5 , 17.5 , 28 , 38 , 48 . (Plain 3rd) Wrap Material: Nickel Plated Steel Construction: Round Wound Hex Core / Round Core: Hex Core Ball End / Double Ball End: Ball End Coated / Non-Coated: Non-Coated ERNIE BALL MEGA SLINKY 10.5-48 NICKEL WOUND ELECTRIC GUITAR STRINGS 2213 - Mega Slinky - 10.5, 13.5, 17.5, 28, 38, 48 - Pale Blue Pack The Mega Slinky set is part of the recent addition of gauges to Ernie Ball's famous Slinky range. For the first time in their history, Ernie Ball have started to offer half gauge sets. This Mega Slinky 10.5 - 48 gauge is a nice stepping stone between a 10 gauge and 11 gauge set. This is particularly noticeable on the treble strings where the tension involved in going up a gauge can be fairly noticeable. The 3 wound strings share the same gauges as the Power Slinky set. We've found half gauge sets are perfect for players who are looking to make the full step up to 11's but want to do so gradually. Here's what Ernie Ball say; Not only a new set but a new half gauge plain steel string, a first for Ernie Ball. This set sits between Regular and Power Slinky for players who want a little extra tone and tension without jumping up a whole step. Part of the most famous string family of electric guitar strings, renowned the world over as the original custom light gauge rock 'n' roll set! Played by Jimmy Page, Jeff Back and Angus Young, Ernie Ball Super Slinky electric strings are precision manufactured by machine in Coachella, CA to the highest standards and most exacting specifications to ensure consistency, optimum performance, and long life. Slinky sets are then sealed in an airtight, water-tight foil package which is quality tested every hour at the factory. Slinky wound strings are made with a smooth nickel-plated steel wire wrapped around a steel hex core. They have a warm, full-bodied tone which brings out more of the mid-frequency range compared to other strings and delivers an easy-under-the-finger feel which won’t wear out frets. The plain strings are made of specially tempered tin plated high carbon steel producing a well-balanced tone for your guitar. The USA made Ernie Ball strings boast outstanding quality and value with a solid fan base and established reputation.