Car Spark Plug Tester with Adjustable Double Hole Detector Ignition Plug Analyzer

Features: This tester is designed to test spark plug performance and ignition strength. Two testing holes, you can test two spark plugs meanwhile. If you suspect any spark plug works improperly you can compare and test to make accurate judgment. With indicator, show the status of the spark plug, more intuitive. Easy to operate, plug and play, economical and useful tool. Made of premium quality material, solid and durable. Specification: Plug: EU Plug Material: Plastic & Metal Color: Black Package Size: 17.5 9.8 7cm / 6.89 3.86 2.76in Package Weight: 350g/12.3oz Package List: 1 Tester 1 Charger