140pcs Thread Repair Inserts for M3 M5 M6 M8 M10 and For M12 Applications

Size: forM3 ，4 ，M5， M6， M8 ，M10 ，forM12 （20 each）. Stainless Steel Thread Repair Insert Kit for M3-12 Rivet Nut Kit Thread Repair Insert Kit Threading Tools. Applications for steel, cast iron and aluminum.Can be used in daily repair, car repair, drilling machine, etc.

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