HORUSDY 300pc Metric and SAE Thread Repair Kit, HSS Drill Helicoil Repair Kit M5 M6 M8 M10 M12, 1/4″ 5/16″ 3/8″ 7/16″ 1/2″

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This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.
Ideal for Restoring Damaged Threads, Suitable for Engine Repair and Other Automotive Applications.
Sae&Metric: The kit Has Altogether 300 Pieces, All Made According to Professional Standard.
Lt Has One HSS Tap for Each Size, One HSS Drill for Each Size, 2 Insert Tools for Each Size, Thread Inserts for Each Size, All Come Complete in a Handy Storage Case.
All Tools Were Packed in a Convenient Carrying Case, Ease and Fast in Collecting and Placing the Tools.