Spark Plug Repair Kit Metal Spark Plug Tap Thread Repair Tools Rethreading Set with Portable Case for Auto Repair Features: brand new and high quality Repairing deep seat plugs: spark plug thread repair re-tightening kit, 14 mm metric-the re-tightening tool kit is a comprehensive and time-saving kit that includes tapered and lug taps and an integrated reamer that allows you to repair spalled spark plug threads Port and repair the deep plug configuration. Various applications: suitable for damaged spark plug threads, use tapered seat or gasket seal type spark plug assembly on the lawn to clean and re-tighten the spark plug port lawn mower, automobile or other vehicle engines; stepped taps ensure that the cutter is in the existing spark plug hole Align correctly; the extension tool can easily enter the bottom of the plug groove (including the plug insert). Easy to use: Use a tap to cut a larger threaded hole on the cylinder head, screw the insert into the cylinder head, screw the plug into the insert, use an expander to help fix the insert by hitting with a hammer; choose as many as possible Cover the plug threads of the plug to avoid carbon deposits (which will make it difficult to unscrew the plug from the plug); use grease on the grooves and any cutting tools to catch the shavings, clean frequently, and use a vacuum cleaner when you are done (not Including grease). Easy to store: Heavy-duty 9.64" x 4.72" x 1.26" inch (24.5 cm x 12 cm x 3.2 cm) metal suitcase with plastic molded insert tray for easy transportation, safe storage and quick organization. Package content: The package includes drill taps (14 mm), tap holders, plug-in installers, wedges and handles, plug-ins, hexagon wrenches and storage boxes for your convenience. Specification: Material: Metal Weight: 1390g Size: 24.5x12x3.2cm/9.64x4.72x1.26inch Package Includes: 1x Spark Plug Thread Repair Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.