Product Description Ernie Ball Mammoth Slinkys are ideal for ultra-low tunings, including drop A, drop B, and C Standard. These mammoth electric guitar strings are precision manufactured to the highest standards and most exacting specifications to ensure consistency, optimum performance, and long life. Mammoth Slinky wound strings are made from nickel-plated steel wire wrapped around a hex-shaped steel core wire while the plain strings are made of specially tempered tin-plated high-carbon steel, resulting in that iconic Slinky feel and tone that players have relied on for decades. Mammoth Slinky gauges are .012 .016 .024w .034 .048 .062. From the Manufacturer Ernie Ball welcomes its heaviest string set to the world-famous Slinky line of electric guitars strings. Mammoth Slinky has 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 wire wrapped around a steel-plated hex core for that iconic Slinky feel and tone that players have relied on for decades. Part number P02214.