Ernie Ball welcomes its heaviest string set to the world-famous Slinky line of electric guitars strings. Mammoth Slinky have been specifically developed for ultra-low tunings including drop a, drop B and C Standard while providing the same iconic tone and feel Slinkys are known for. Mammoth Slinky strings are ideal for players who prefer a powerful and heavy set of strings delivering punishing low end and a brutally thick tone with optimal tension and definition. Mammoth Slinky sets also feature nickel-plated steel wrap wire around a steel-plated hex core for that iconic Slinky feel and tone that players have relied on for decades. Part number P02214.