Performance Tool W1656C Deluxe Anti-Freeze Tester Go to amazon.com Related posts Top 9 recommendation prestone antifreeze tester for 2022 The 10 best antifreeze meter 2022 Top 10 best car coolant tester: Which is the best one in 2022? FeatureEasy to read scale & pointerFreezing to boiling points for anti-freeze, calibrated in C and F DescriptionDial indicator. Instant readings in hot or cold radiator. Calibrated in F and C.