John Walker Blued Tuning Fork
John Walker tuning forks have been manufactured for more than 150 years in Sheffield, England by the Ragg family. The John Walker trademark is a guarantee of accuracy and quality workmanship.
Tuning fork made from hardened and tempered blued steel with lettering stamped for the note and frequency.
Frequencies:
- A-440
- C-523.3
Tuning forks come in a vinyl pouch. Approximately 5-1/2" long.