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Easy to read scale & pointer. Tests hot or cold batteries on 6 & 12 Volt systems. Freezing to boiling points for antifreeze, calibrated in C and F.
Performance Tool W1656C Deluxe Anti Freeze Tester
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Handheld Portable Densitometer Antifreeze Dial Density Meter ℃/℉ Calibrate Car Radiator Coolant Tester Tool Densitometer
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High Accuracy Dial Durable Car Radiator Coolant Tester Antifreeze Coolant Tester Tool Auto Density Meter Hydrometer Dial Type - AliExpress
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: : Industrial & Scientific
Accurate Battery Liquid Densitometer Anti-Freeze Coolant Tester for Automotive
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