Craftsman Auto Assist 1 pc Automotive Diagnostic Scanner

The Craftsman Antifreeze tester is used to easily test for anti freeze and anti boil protection. Additionally, the body is clear, allowing for visual inspection of rust and other sediments. A vehicle's antifreeze must be maintained at the proper concentration to provide protection against engine corrosion, freeze ups and boil overs. Coolant is drawn into the tool and its performance is determined with the easy to read gauges on the tool.