• Creates a stronger internal thread in soft metals.• Ideal for repairing damaged or stripped internal threads.• Protects tapped threads against wear and damage.• Set includes drill bit, thread tap, insert installation and lug breaking tool.• Each size supplied with three different lengths of thread insert.Creates a stronger internal thread in soft metals. Ideal for repairing damaged or stripped internal threads. Protects tapped threads against wear and damage. Set includes drill bit, thread tap, insert installation and lug breaking tool. Supplied with three different lengths of thread insert.• Creates a stronger internal thread in soft metals. • Ideal for repairing damaged or stripped internal threads. • Protects tapped threads against wear and damage. • Includes drill bit, thread tap, insert installation and lug breaking tool. • Supplied with three different lengths of thread insert. • Model No. TRM9Technical Specification:Nett Weight: 0.28kgReplacement Inserts: TRM9RThread Lengths: