2 set Auto parts:1 x Spark plug tester & 1 set Pin ExtractorIt can remove a wire intact from a donor harness and add a new wire - very easily. so you can maintain the factory original harness and plug in your own electronic device without any damage.14 pcs is suitable for most connector terminal, it can be used for almost all brands of cars and other electronic devices.No need to pry open the terminals, just push and pull the terminal pins. It provide extra leverage, you can easily take out the wire. Made of stainless steel + plastic. It is flexible resilient and durable. If necessary, you can manually change the width of the pin, and it can be restore the original shape without be damaged.Quickly diagnose problems with all ignition systems,Connect the tool between the spark plug and the plug wire.Normal sparks of fire gauges as"purple blue and 2cm straight line,"if the ignition coil is bad when the color is red or curveUse this ignition spark tester to check the condition of the ignition system at each cylinder without going to expensive mechanics.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.Connects in seconds.Color: black + silverMaterial: stainless steel + plasticFull length 56mm,rod length 34mmSize:Jumping distance is about 0.8-1.5cmPackage Contents:1 x Spark plug tester5 x Single Pin Extractor6 x Double Pin Extractor3 x Casing ToolOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.