FUNCTION : This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads
ALL-IN-ONE KIT : This 131pcs tool kit includes bits, taps, and inserts in the 5 most needed Metric sizes: M5, M6, M8, M10, and M12
PURPOSE BUILT : This tool kit is constructed from high-speed steel for superior handling while the inserts are heated-treated 45# steel for greater strength and longevity in place
WIDE APPLICATION : this thread repair kit work for most repairs, great for fixing stripped threads on my alternator.repair intake bolt threads on aluminum cylinder head
EASY TO USE : All Tools Were Packed in a Convenient Steel Carrying Case, Ease and Fast in Collecting and Placing the Tools