Features: Connect the tool between the spark plug and the plug wire, Quickly diagnose problems with all-ignition systems. Use this ignition spark tester to check the-condition of the ignition system at each cylinder without going to expensive mechanic. The spark tester connects between the spark plug and spark plug wire in seconds to troubleshoot dirty spark plug connections, defective points and bad cable or connections. Connects in seconds. Ignition coil with sparking-plug connector, you can directly use to replace or repair the previous old or broken one.Replacing part numbers for reference: 06E905115E 07K905715D 07K905715F, perfectly matching. Brings better ignition performance. Made of premium-plastic material, wearresistance, durable and-sturdy to use. Specifications: Material:Metal Length: Approx.18cm or 7.08inch Color: Red or Black For B6 06E905115E 07K905715D 07K905715F Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 4x Ignition Coil Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.