Wonderful Material: The thread repair kit is made of the highest quality carbon steel materials for maximum durability. 2. Safe and Durable: Highly hardened for strength and durability, more reliable and practical to use. 3. Easy to Use: This thread repair tool kit is hexagonal in shape for use with a socket or wrench. 4. Convenient and Practical: The rethreading tools are color-coded for quick visual identification, providing you with more convenience. 5. Smart Design: The Repair Rethread tool set comes with a tool box to store, preventing them from getting lost after use. Specification: Condition: 100% Brand New Item Type: Thread Repair Tool Kit Material: Carbon Steel Color: As Pictures Shown Contains 7 Metric Thread Die Sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75 7 Metric Rethread Tap Sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50 M12-1.75 1 x Metric Thread Repair File 8 pitches: 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00 Package