ITEM NAME:Auto Car Adjustable Spark Plug Test Pen Ignition Coil Tester Diagnostic ToolTElj Features: 100% brand new Material: ABS + metal Light Color: Black According to spark color and flash over distance to determine the quality of the coil. Can intuitively convenient to understand the operation of the ignition coil. Alligator clip securely fastens to ground. Screw assembly adjusts spark gap quickly and easily Avoid fire, the ignition coil burned out and so on. Length: 12cm / 4.72" Diameter: 2.2cm / 0.87" Cable length: 52cm / 20.47" Package include: 1 x Adjustable Ignition Coil Tester.1 x Adjustable Ignition Coil Tester. Can intuitively convenient to understand the operation of the ignition coil. Avoid fire, the ignition coil burned out and so on. Screw assembly adjusts spark gap quickly and easily.
