DEF / Coolant Refractometer | ATD-3325 ATD Tools

3-in-1 tool combines coolant, battery, and DEF scales all in one Focusing eyepiece for clear readings and comfort of use No power needed, uses ambient light to verify fluid condition Automatic temperature compensation Reads both Ethylene and Propylene Glycol based coolants Kit Includes: Fluid dropper Cleaning cloth Screwdriver Blow-molded storage case

Product Attributes:

• Part Term: Diesel Exhaust Fluid (DEF) Refractometer
• Weight: 0.1 lbs
• Case Included: Yes