Portable Brake Fluid Tester Pen Calibrated for DOT 3 DOT 4 DOT 5.1 Brake Fluid
The CERRXIAN Tester Pen gives you lab-accurate protection in your pocket CERRXIAN Brake Fluid Tester: Your 15-Second Guardian Against Brake Failure. Brake Fluid Tester Pen2. User Manual. Replace fluid NOW.