Feature 1High Quality Materials: Anti freeze tester is made of high quality rubber and ABS material, wear resistant and durable. 2Function: Automotive antifreeze tester is designed to easily test freezing and boiling temperatures of your coolant to water solutions, fast and accurate. 3Clear Glass Pipe: Clear glass pipe allows you to inspect the condition of the antifreeze, easily inspect color, any rust, sludge, or other sediments. 4High Accuracy: Easy to read with scale and pointer. Calibrated in and , measures freezing point for winter protecting and boiling point for summer protecting. 5Application: Anti freeze coolant tester is suitable for testing hot or cold batteries on 6 and 12 Volt systems.Item Type: AntiFreezeCoolantTesterMaterial: Rubber+ABSFitment: Fit for 6V and 12V batteries .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x AntiFreezeCoolantTesterNote1.Manual measurement allows for tiny tolerances.2.When reading, the line of sight should be in line with the liquid level.