The GearWrench 129 Circuit Tester is a diagnostic tool for checking electrical circuits in 6 to 12-volt systems. This compact tester identifies voltage presence in circuits and spark plugs, helping you troubleshoot electrical problems efficiently.
The built-in bulb illuminates when voltage is detected, giving you immediate visual feedback. The tester's compact size makes it convenient for automotive work and maintenance tasks.
Features and Benefits
Specifications
| SKU | 81184 | UPC | 082171001291 |
| Model Number | 129D | Brand | GearWrench |