6.05 in

🚗 Brake Fluid Tester Pen with LED Display – Professional Brake Oil Quality Checker (NEW). 📦1 × Brake Fluid Tester Pen with LED Indicator. 🟢Green: Brake fluid is in good condition. 🟡Yellow: Brake fluid is usable but should be monitored.

 • Green: Fluid in good condition.  • Yellow: Fluid usable but monitor soon. 🕹️ Cordless Design – No cables required; plug-and-play testing ensures faster and easier operation. 🟢 Clear LED Indicators –.