Product Specifications: Title: Inline Spark Plug Tester, Straight Boot Engine Ignition Tester, Ignition Coil Tester for Small Engines; Diagnostic Detector Tool for Automotive, Car, Lawnmower, Small & Big Internal/External Engines Material: Durable plastic and metal components Compatibility: Suitable for small engines of various vehicles Size: Compact and portable design for convenient storage and transport Function: Quickly and accurately diagnose ignition coil issues. Product Highlights: Versatile Diagnostic Tool: The Inline Spark Plug Tester is a straight boot engine ignition tester designed for small engines, making it the perfect ignition coil tester for automotive, car, lawn mower, and small & big internal/external engines. Enhanced Performance: This diagnostic detector tool provides a quick and efficient way to identify ignition coil problems, ensuring your engines run smoothly and efficiently. Durable Construction: Made of high-quality materials, this ignition coil tester is durable and built to last, making it a reliable addition to your tool collection .Easy to Use: With its user-friendly design, this spark plug tester allows for hassle-free testing and troubleshooting, saving you time and effort. Portable and Convenient: The compact size of this diagnostic tool makes it easy to carry with you wherever you go, ensuring you can diagnose engine issues on the spot. Using Scenarios: Ideal for mechanics, car enthusiasts, and DIYers, this Inline Spark Plug Tester is perfect for diagnosing ignition coil problems in small engines. Use it to quickly identify and address ignition issues in your automotive, car, lawn mower, and other small engines, saving you time and money on unnecessary repairs. Whether you're at home, in the garage, or on the go, this diagnostic detector tool is a reliable companion for keeping your engines in top condition and ensuring peak performance.