Spark Plug Rethreading Tap Thread Repair Set Kit M14 x 1.25 With 4 Inserts\n\n \n\nDescription\n\nProfessional tool for commercial or occasional use \n\n Spark plug threads repair kit \n\n Special HSS tap with 21mm 6 point drive \n\n Suitable for damaged spark plug threads \n\n 4 threaded inserts in different lengths\n\n HSS 4241 Steel for strength and durability \n\n M14 x 1.25mm Thread size\n\n Cleans and re-threads spark plug ports\n\n SET INCLUDES THE FOLLOWING \n\n - M14 x 1.25 Inserts - total length 9.5mm \n - M14 x 1.25 Inserts - total length 11.5mm \n - M14 x 1.25 Inserts - total length 12.7mm \n - M14 x 1.25 Inserts - total length 19mm\n - 1 x Tap Reamer