- 7 piece rethreading right hand, fractional, fine thread hexagonal re-threading dies set.
- Set consists of 1/4", 5/16", 3/8", 7/16", 1/2", and 9/16 In. rethreading dies.
- For repairing damaged bolts or studs.
- Will not crosscut or undercut the thread the way a cutting die will.
- Do not use on hardened threads for to cut new threads.
- Made from high carbon alloy steel for a long tool life.