12V Dual Plug Car Spark Plug Tester Gasoline Ignition Plug Diagnostic Tool J2J7

Description

Features:
This tester is designed to test spark plug performance and ignition strength.
Two testing holes, you can test two spark plugs meanwhile.
If you suspect any spark plug works improperly you can compare and test to make accurate judgment.
With indicator, show the status of the spark plug, more intuitive.
Easy to operate, plug and play, economical and useful tool.
Made of premium quality material, solid and durable.
Specification:
Plug: US Plug
Material: Plastic & Metal
Color: Black
Package Size: 17.5 * 9.8 * 7cm / 6.89 * 3.86 * 2.76in
Package Weight: 300g / 10.58oz
Package List:
1 * Tester
1 * Charger