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D'Addario's heaviest 80/20 Bronze gauge, EXP12s offer heavier tension resulting in a bolder, more resonant acoustic tone with higher resistance for heavy strumming and flat-picking.
D’Addario’s EXP coated strings now feature plain steel strings and hexagonal cores made of our revolutionary NY High Carbon Steel. Envisioned, perfected, and manufactured by D’Addario in New York, this newly engineered, break-resistant, high-carbon steel wire delivers unprecedented strength and pitch stability. Combined with the highest quality wrap wire materials, precision drawn and micro-coated on our advanced proprietary machinery, each EXP set maintains that familiar uncoated tone while adding up to 4 times more life.