Scope of application: High-quality spark plug repair kit. New spark plugs with taps and sockets. Suitable for 14 mm. If you don't know the size, please measure it first. Focus on the details of the modification. It is a powerful modification accessory. Exquisite workmanship: Spark plug thread repair kit. A good tool set for repairing damaged spark plug threads and extending the life of spark plugs. Practical and convenient, improves the efficiency of spark plug repair work. Four sizes: Spark plug thread tool. There are four socket sizes, suitable for different spark plugs with 14 mm thread. Tap size: 73 * 24 * 11 mm / 2.9 * 1 * 0.4 inches, spark plug socket thread diameter: 14 mm / 0.55 inches, spark plug socket thread pitch: 1.25 mm / 0.049 inches. High-quality materials: This accessory is made of hardened carbon steel, sturdy and durable. The maintenance-friendly spark plug tap reduces your replacement costs and extends the life of your car's spark plugs. Easy to install: M14 spark