5pcs 1/4-20 UNC 1.5D Wire Thread Repair Insert Helical Type Coiled

20pcs M5x0.8 2D Wire Thread Repair Insert Helical Type Coiled

10pcs M4x0.7 1D Wire Thread Repair Insert Helical Type Coiled

30pcs 1/4-20 UNC 1D Wire Thread Repair Insert Helical Type Coiled

20pcs M3x0.5 1D Wire Thread Repair Insert Helical Type Coiled

20pcs 1/4-20 UNC 1D Wire Thread Repair Insert Helical Type Coiled

20pcs M4x0.7 2D Wire Thread Repair Insert Helical Type Coiled

20pcs M6x1 1D Wire Thread Repair Insert Helical Type Coiled