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Astm E438 UNSPSC Code 41121803 UPC 656727852318 Product details
and are safe for all ages
Requires two AA batteries (not included)
and safety
The set comes in an attractive and durable wood storage block
Tuning Fork, Superior, 341.3 Hz."F" Brew Lab Astm E438 UNSPSC Code 41121803Our machined aluminum tuning forks are calibrated and individually tested to ensure accuracy to + 1 Hz. Aluminum also is less sensitive to temperature and humidity variations that could affect the frequency.
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