【Metric Tap and Die Set】This 20pcs metric tap and die set includes 9 taps and 9 dies, helps to cut and clean internal and external threads in common classic sizes from M3 to M12. The set also includes 1 long handle tap wrench, 1 adjustable wrench, to meet all your needs 【Non-slip Thread Repair Tools】The Thread Extractors Screw for repairing threads. Tap reamer repair nuts, reamer repair screws, the surface of the reamer shank has a non-slip texture, the grip is stronger, the tapping is more stable, and can Stable clamping of taps, no effort required for successful tapping. 【Durable Carbon Steel Material】Tapping Tool made of high-quality carbon steel, which has been heat-treated and hardened to improve strength and durability. Tapping tool has good impact and fracture toughness, greater stability, more standard dimensions, and fully countersunk taps. Sharp and durable flute tapping. 【Threading/Forming/Pursuit】Tapping tool clean up old, broken, and damaged threads with the die set. Taps cut internal threads and cut external threads with their coarse and fine threads. Use these cutting tools with cutting oils for the fastest and most efficient way to add a thread to a part 【Wide Application】Thread Screw Extractors for tapping work perfectly for correcting or creating internal and external threads through wood, copper, aluminum, iron, carbon steel, and more. This metric tap set works great for re-threading fasteners, fixing holes for auto and machinery.