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

1 Molded carrying case

Black oxide finish

Built-in REDLINK PLUS Intelligence is the most advanced electronic system on the market

It allows you to review the PCM data stream with the custom one-click button for I/M

Metric Hex Screwdriver Bit 160 mmL : 3 mm

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.