For more information, refer to the datasheet. RS Pro Metric Thread Repair Kit. The RS Pro thread repair kits include everything for repairing your damaged threads. The metric repair kit creates stronger internal threads in most metals, and helps regain the original thread size. Features and Benefits. Repairs stripped or damaged internal threads Different kits available to repairs threads from M2.5 to M10 No engineering experience needed Protects tapped threads against wear and tear. Typical Applications. Automotive industry. Inserts 5 pieces of each size. M2.5 x 1D, M2.5 x 1.5D, M2.5 x 2D. M3 x 1D, M3 x 1.5D, M3 x 2D. M4 x 1D, M4 x 1.5D, M4 x 2D. M5 x 1D, M5 x 1.5D, M5 x 2D. M6 x 1D, M6 x 1.5D, M6 x 2D