PROFESSIONAL AND UNIVERSAL: This is a professional universal reamer cylinder spark plug thread repair tool, and which is a comprehensive set 2 FOR ENGINES AND GENERATORS: Can make your maintenance work easier, more efficient and convenient, especially suitable for gasoline engines, generators, diesel engines and other machines 3 QUICK AND EFFICIENT REPAIR: This is a very practical and effective set for spark plug thread repair, designed to quickly and efficiently repair damaged spark plug threads and extend service life 4 USEFUL AND CONVENIENT: Universal size is suitable for M10x1.0 spark plug thread repair, very useful and convenient 5 GOOD QUALITY STAINLESS STEEL: Good quality stainless steel and galvanizing process ensure that the products you buy are durable Item Type: Spark Plug Thread Repair Tool Thread Pipe Size: M10x1.0 (Thread Diameter x Pitch) Thread Pipe Length: Approx. 17.5mm / 0.69inch, 12.5mm / 0.49inch (5pcs each) Thread Pipe Material: Stainless Steel Tap Size: M12x1.0 (thread diameter x pitch) Tap Material: High Speed Steel .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x M12x1.0 Tap 10 x M10x1.0 Thread Pipe