General description This FLITI Spark Plug Thread Repair Tool Kit is designed for repairing and extending damaged spark plug threads. It includes 16 pieces, featuring M16 x 1.25 x 70mm long taps that allow you to enlarge the ignition hole to match the sleeve. Made from high-quality hardened steel, this kit ensures durability and strength for long-term use. Technical specifications Number of pieces: 16 Tap size: M16 x 1.25 x 70mm Suitable for: 14mm spark plug threads Other information All tools are organized in a blow molded case for easy transport and protection.