Refractometer Calibration Screwdriver - For Eyeglasses too!
This is for the part only, NOT a full refractometer!
* Flat Head Refractometer Calibration Screwdriver - color and length of screwdriver will vary
For use on Brix, Salinity, Clinical, Refractive Index, Antifreeze, Honey, Syrup and other Refractometers!
