Premium OEM MRCARTOOL B550 12V Automotive Diagnostic Probe

Precision Craftsmanship
– High-grade ABS housing with reinforced rubberized grip for durability and slip resistance. Gold-plated terminals ensure superior conductivity and corrosion resistance.
Advanced Circuit Testing
– Instantly diagnose 12V automotive electrical systems with LED voltage indicators (green/yellow/red) and built-in audible alerts for open/short circuits.
Multi-Scenario Application
– Ideal for mechanics, DIY enthusiasts, and auto electricians to troubleshoot fuses, relays, sensors, and wiring harnesses in cars, trucks, and motorcycles.
Ergonomic Safety Design
– Integrated 6-inch flexible probe with insulated tip and ergonomic thumb switch for one-handed operation, reducing accidental shorts.
Direct OEM Quality
– Manufactured to exacting factory standards with CE certification, ensuring reliability matching professional workshop tools.
Bulk Purchase Advantage
– Wholesale pricing for garages, auto shops, and resellers—stock the industry’s most cost-effective diagnostic probe without compromising quality.