EVANS Waterless Coolant Analog Refractometer, This tool is designed to sample your coolant and measure the water content, Fast, simple optical method requires a drop or two of coolant, Compare optical reading to the included water content chart
1947-1998 CHEVY TRUCK
1964-1972 TEMPEST GTO, TEMPEST, LEMANS
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.