No. of Strings: 6-String Set Gauge Range: 12 - 62 Gauges: 12 , 16 , 24w , 34 , 48 , 62 . (Wound 3rd) Wrap Material: Nickel Plated Construction: Round Wound Hex Core / Round Core: Hex Core Ball End / Double Ball End: Ball End Coated / Non-Coated: Non-Coated ERNIE BALL MAMMOTH SLINKY 12-62 NICKEL WOUND ELECTRIC GUITAR STRINGS 2214 - Mammoth Slinky - 12, 16, 24w, 34, 48, 62 - Pale Green Pack The heavyweight contender enters the ring! Mammoth Slinky is the heaviest set in the Slinky family and is designed for punishingly low tuning and heavy riffing... also good for blues. 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.