Specification:

• 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: 11.5cm
  

• Diameter: 2.2cm
  

• Cable length: 52cm
  

• Color: Black

Package included: 1pc x Adjustable Ignition Coil Tester