131Pcs METRIC Helicoil Thread Repair Kit M5-M12 Insert Tool HSS Twist Drill Bits

1 x Spiral Drill. Nitriding gold spiral groove drilling ladder 4-32 MM. 5PCS x Twist Drill Bits. 10PCS x Wire Thread Inserts M12 x 1.75 x 16.3mm. Automatically deburr holes as you drill. 25PCS x Wire Thread Inserts M5 x 0.8 x 6.7mm.

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