"RIVERBANK LABORATORIES INC."

Alloy tuning fork economy stamped.

Includes set of six tuning forks: 125, 250, 500, 1000, 2000, and 4000 Hz.

This aluminum tuning fork has sliding weights on each tine.

Even frequencies make harmonic relationships clear and calculations easier.

These long-lasting aluminum tuning forks have a full sound.

TUNING FORK ALLOY 426.7VPS ECONOSTAMP