Adjustable Ignition Coil Tester Compatible with Spark Plug

1 Made of premium material for maximum durability. 2 Designed for test spark plug performance and troubleshoot internal combustion engines. 3 You can quickly and easily diagnose whether your car power system is working properly. 4 The spark tester is connected between the spark plug and the spark plug wire in seconds to solve problems dirty spark plug connections, bad points and bad cables or connections. 5 Provides a secure, reliable way to diagnose faults, convenient, cost-effective, and time-saving.

What's in the box
1 x Ignition System Tester