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. Features & Benefits: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. TRM6 Specifications: Model No TRM6 Brand: Sealey Nett Weight: 0.21kg Replacement Inserts: TRM6R Thread Lengths: 4, 6, 9mm (5 of each) Thread Size: M6 x 1mm