Tuning Forks, Steel
RWS-1
Plain shanks, chrome plated/Blued. Best quality steel
| Frequency Hz. | Note | |
| A | 256 | C |
| B | 288 | D |
| C | 320 | E |
| D | 241 | F |
| E | 384 | G |
| F | 426 | A |
| G | 480 | B |
| H | 512 | C |
Plain shanks, chrome plated/Blued. Best quality steel
| Frequency Hz. | Note | |
| A | 256 | C |
| B | 288 | D |
| C | 320 | E |
| D | 241 | F |
| E | 384 | G |
| F | 426 | A |
| G | 480 | B |
| H | 512 | C |