The tuning fork set III (No. 5162, No. 5165, No. 5167, No. 5169, No. 517 ...
Includes C-128, C-256, C-512, C-1024, amd C-2048 in a fitted case.
Hartmann-French (actual item is similar to the image shown)
C128 with weight - Tuning fork
C512 - Tuning fork
This tuning fork has C-64 vibrations.
This tuning fork has C-128 vibrations.
This tuning fork has C-256 vibrations.
This tuning fork has C-1024 vibrations.
This tuning fork has C-512 vibrations.
This tuning fork has C-2048 vibrations.
This tuning fork has C-4096 vibrations.