ATD Tools ATD-3325 DEF/Coolant Refractometer Canvas Bag 1 Molded carrying case

1 Molded carrying case

Black oxide finish

Getting the right Master Cylinder Adapters that match the manufacturers' specs can be time-consuming

Horsepower: 3

ATD Tools ATD-3325 DEF/Coolant Refractometer Canvas Bag 1 Molded carrying caseThe ATD Tools ATD 3325 DEF Coolant Refractometer is a precision 3 in 1 diagnostic instrument designed for automotive and fleet maintenance applications. It consolidates coolant, battery, and DEF (Diesel Exhaust Fluid) measurement into a single compact tool, eliminating the need for multiple testers. Built for ease of use in the field, it requires no batteries or power source, relying on ambient light to deliver accurate fluid condition readings.