780 Series - Black Coated and Uncoated Phosphor Bronze

| N780 | inch | mm | |
| E-1st | Steel | .016 | 0.406 |
| B-2nd | Steel | .018 | 0.457 |
| G-3rd | Phosphor Bronze Wound | .028 | 0.711 |
| D-4th | Phosphor Bronze Wound | .036 | 0.914 |
| A-5th | Phosphor Bronze Wound | .046 | 1.168 |
| E-6th | Phosphor Bronze Wound | .056 | 1.422 |

