Ignition Spark Indicator Spark Plugs Wires Diagnostic Tool Voltage Cable Tester High Voltage Cable Tester Tool AccurateOOTDTY  Features: 100% brand new and high qualityQuickly diagnose all ignition systems.Spark testers can be connected between spark plugs and spark plug lines to solve ignition connection problems.Connect the tool between the spark plug and the plug line to the combustometer's plug line as "purple blue and 2 cm straight line", or the ignition coil is poor in color is red or curved.Switch handle to adjust the jump distance.The spark tester connects between the spark plug and spark plug wire in seconds to troubleshoot dirty spark plug connections, defective points and bad cables or connections. Specification: Material: ABS+MetalPen Length: Approx.14cm/5.51inLine Length: Approx.69cm/27.17inAlligator Clip Length: Approx.4.7cm/1.85inPackage Includes: 1x Spark Plugs Testernote: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.