Laser Tools Antifreeze Refractometer

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The refractometer is a precision instrument which tests the freezing levels of Antifreeze and battery fluids and has an automatic temperature compensation facility. This antifreeze refractometer is designed for standard and modern long-life Organic Acid Technology (OAT) antifreeze and Propylene Glycol. It is supplied complete with a dropper for collecting fluid and a plastic storage case.Contents: refractometer precision screwdriver for the calibration screw. Show more