D660 Drop6 Guitar cat. n. note description inch. mm. DS10 1st Plain Steel .010 0.25 DS13 2nd Plain Steel .013 0.33 DS17 3rd Plain Steel .017 0.43 DS36 4th Nickel Round Wound .036 0.91 DS52 5th Nickel Round Wound .052 1.13 DS60 6th Nickel Round Wound .060 1.52
