Photo 1 of Ohleats Brake Fluid Liquid Tester Pen with 5 LED Indicators, DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Auto Brake Diagnostic Testing Tool Analyzer, Universal Car Accessories

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Photo 1 of Ohleats Brake Fluid Liquid Tester Pen with 5 LED Indicators, DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Auto Brake Diagnostic Testing Tool Analyzer, Universal Car AccessoriesPhoto 2 of Ohleats Brake Fluid Liquid Tester Pen with 5 LED Indicators, DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen, Auto Brake Diagnostic Testing Tool Analyzer, Universal Car Accessories