Ernie Ball on Twitter: ".@Metallica's James Hetfield + @KirkHammett play Ernie Ball strings. Do you? Try a set. https://t.co/NrwzfqUeM9 https://t.co/nJxcV9UXyq" / Twitter
Kirk Hammett String Theory | Ernie Ball
EMG KHBB Set Kirk Hammett Bone Breaker Black Short Pots ( 6 ERNIE BALL REGULAR) 654330216459 | eBay
Kirk Hammett String Sets
Kirk Hammett: Five Things We Learned from His Ernie Ball 'String Theory' Clip | Guitar World