Description: 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 quickly and easily Avoid fire, the ignition coil burned out and so on. Specification: Material: ABS + Metal Length: 12cm Diameter: 2cm Cable length: 52 cm Color: Black Package Includes: 1x Adjustable Ignition Coil Tester
