4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid

Honey Refractometer for Moisture, Brix and Baume, 3-in-1 Uses, 58-90% Brix Scale Range, Ideal for Honey, Maple Syrup, and Molasses, Bee Keeping Supplies

3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant, Also for Battery Acid Condition

Refractometer for Grape Wine Brewing, Measuring Sugar Content in Original Grape Juice and Predicting The Wine Alcohol Degree, Dual Scale of 0-40% Brix & 0-25% vol Alcohol, Wine Making Kit

Aquarium Salinity Refractometer with ATC Function,Saltwater Test Kit for Seawater, Pool, Aquarium, Fish Tank...Dual Scale: Specific Gravity & Salt Percent

aichose Brix Refractometer with ATC, Dual Scale - Specific Gravity & Brix, Hydrometer in Wine Making and Beer Brewing, Homebrew Kit