• High-quality Refractometer offers a fast, easy way to test the freezing point of coolant/anti-freeze. • Works with Ethylene or Propylene Glycol or long-life anti-freeze. • Also measures battery acid gravity to determine battery life. • Automatic temperature compensation. • Large, easy-to-read graphics and high-contrast lens. • Adjustable viewfinder; rugged, steel body construction. Includes storage case, fluid dropper, cleaning cloth and mini screwdriver.
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