Reywoo315 PC Helicoil Thread Repair Kit, Metric & SAE Helicoil Kit with HSS Drill Bits Inserts Taps Break Off Tools, Rethreading Tools in M5 M6 M8 M10 M12 & 1/4" 5/16" 3/8" 7/16" 1/2" Sizes

Reywoo 315 PC Helicoil Thread Repair Kit, Metric & SAE Helicoil Kit with HSS Drill Bits Inserts Taps Break Off Tools, Rethreading Tools in M5 M6 M8 M10 M12 & 1/4" 5/16" 3/8" 7/16" 1/2" Sizes

Wire Screw Sleeve Thread Repair Inserts Assortment Kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Helicoil Thread Repair Kit 210Pcs

Metric Helicoil Thread Repair Kit: 131-Piece Heli Coil HSS Drills Inserts Taps & Tools M5 M6 M8 M10 M12 Automotive Engine Spark Plug Cylinder Insertion Rethreading Tools Universal Rethread Restorer