Free Ground Shipping on All Orders over $99.99
Shipments to Alaska and Hawaii do not qualify for our free shipping offer. Please allow 1 to 2 extra days for processing your engraving order.
Returns & Exchanges within 90 Days
We like to keep things simple. We give you 90 days to try our products, and if you don't love your MDF Instruments product, simply initiate a return by contacting us here. Stethoscopes with engraving are not eligible for return. More Details
Free-Parts-For-Life
Yes, our Free-Parts-For-Life Program for MDF Instruments Stethoscopes (including eartips) is really free. Free-Parts-For-Life shipments will be sent to the shipping address on the original order or location of purchase. More Details
MDF Instruments Stethoscope Lifetime Warranty
Our quality and your satisfaction are important to us. Because of our relentless pursuit of quality, we are able to offer unrivaled warranties. Learn More.
Contact Us
Call us at +1.818.357.5647 or send us a message here
MEDICAL GRADE TUNING FORKS
MDF® 22
The MDF® 22 is a set of medical grade tuning forks instruments that operate at frequencies of 512, 256 and 128 Hz.

If you want to find the secrets of the universe,
think in terms of energy, frequency and vibration.
-Nikola Tesla
ENGRAVED FREQUENCY MARK
Always On Key
All MDF® tuning forks are engraved with their specific frequency to keep them clearly marked over years of use.


WEIGHTED HANDLE
One Good Turn
Our tuning forks are carefully crafted and include an extra long handle turned precisely to create a delicate balance.

1 YEAR WARRANTY
With You For Life
The LUMiNiX® is warranted to be free from defects in material or craftsmanship, and will be replaced or repaired if reported within 2 years of the original purchase. For half a century, our master craftsmen have meticulously created exquisite medical instruments for healthcare professionals, and we will continue this fanatical discipline for lifetimes to come. We will be here.
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