Untitled Document V-Coil 8 mm Helical Wire Insert Thread Repair kit for M8 x 1.0 2.0 D NB: The inserts in this kit are 2.0D which have an installed length of 16mm German Manufactured Thread repair Kit by V- Coil The kit consists of a special tap, Insertion Tool, Special size drill and 20 2.0D inserts (installed length 16 mm). Part no 04013.