Metric Tap and Die Set: This set of 20 metric taps and dies includes 9 taps and 9 dies, helps to cut and clean internal and external threads in common conventional 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: Screw Thread Extractors for repairing threads. Tap reamer repair nuts, reamer repair screws, the surface of the reamer shank has a non-slip texture, the handle is stronger, the tapping is more stable, and can Stable clamping 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 tempered to improve strength and durability. tapping tool has good impact and fracture toughness, higher stability, more standard dimensions and fully countersunk taps. Sharp and durable flute tapping. Threading/Shaping/Chasing: 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 thread to a part Wide Application: Thread Extractors Screws for tapping work great for correcting or creating internal and external threading through wood, copper, aluminum, iron, carbon steel, and more. This metric tap set works great for screwing in fasteners, auto and machine mounting holes. Metric tap and die set: This set of 20 TIRDITY metric taps and dies includes 9 taps and 9 dies , helps to cut and clean internal and external threads in common conventional 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: Taps and dies are tools for repairing threads . Tap reamer repair nuts, reamer repair screws, the surface of the reamer shank has a non-slip texture, the handle is stronger, the tapping is more stable, and can Stable clamping taps, no effort required for successful tapping. Durable Carbon Steel Material: The tool is made of high quality carbon steel, which has been heat treated and tempered to improve strength and durability. It has good impact and fracture toughness, higher stability, more standard dimensions and fully countersunk taps. Sharp and durable flute tapping. Threading/Shaping/Chasing: 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: These tools work great for correcting or creating internal threads and external through wood, copper, aluminum, iron, carbon steel, and more. This metric tap set works great for screwing in fasteners, auto and machine mounting holes.