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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Each of the large Aluminum Alloy tuning forks is hand ground to high accuracy and has a frequency of 440 Hz (hertz=cycles / second)
ground/signal terminal
each gel filter size is 11
contains all the necessary safety supplies in a plastic case
Tray Flame Red Each of the large AluminumStrong and rigid. Built to last & recyclable. Premium Quality: Tray Flame Red is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
US$ 89.95
US$ 16.95
US$ 25.00
US$ 40.00
US$ 24.95
US$ 45.00
