Don't guess your stopping power. Excess water lowers the boiling point of the fluid, which can lead to "brake fade" or total failure during heavy braking. ThisLED Diagnostic Pen takes the guesswork out of maintenance by providing a laboratory-accurate reading in seconds.
Universal Brake Fluid Tester Pen is ideal for DIY mechanics who need an easy-to-use and efficient way to test the brake fluid level of their vehicles.
