5 Types Optional: M3 0.5; M4 0.7; M6 1.0; M8 1.25; M11 1.5. Thread Quantity: AS PICTURE SHOW.
30x M8x1.25mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair Kit W3F0
30Pc M6X1.0mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair Kit Q6W4
30Pc M6X1.0mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair Kit W4U5
30Pcs M8x1.25mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair N6L8
30Pcs M6 X 1.0mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair S0G4
30Pcs M8x1.25mm Metric Thread Repair Insert Kit HSS Drill Helicoil Repair R7T7
