12 taps and dies: Our tap and die set includes 9 taps and 9 dies, the models are M3*0.5mm, M4*0.7mm, M5*0.8mm, M6*1.0mm, M7*1.0mm, M8 *1.25mm, M9*1.25mm, M10*1.5mm, M12*1.75mm, one tap twister and one die twister, all tools are neatly placed in the toolbox, not only easy to find, but also more portable and practical. With this set, all your tapping needs are easily covered. High precision: The round die is designed with a tapered locking top fixing hole. After the screws are aligned and locked, the locking force is strong, it is not easy to loosen, and the shredding is more stable and reliable. CNC fine grinding, precise thread and high precision, the die is marked with a model number that matches the slot for your convenience. Non-slip thread repair tool: Taps and dies are tools for repairing threads. Tap reamer repair nut, reamer repair screw, the surface of the reamer handle has non-slip lines, the handle is stronger, the tapping is more stable, and the tap can be tightened stably, allowing you to use it easily and effortlessly. Durable Alloy Material: Our taps and dies are precision cast with thickened carbide, heat treated and hardened for strength and durability. With good impact and fracture resistance, greater stability, more standard sizes and full countersunk taps, you can buy with confidence and use with confidence. Professional Repair Tap and Die Kit: Our taps and dies are perfect for drilling and tightening in automotive and machine repairs, and are the perfect set for professional craftsmen. Suitable for home installation, decoration, railway bridge construction, factory equipment installation, etc. If you have any questions about faucets, please contact us as soon as possible, we will answer you sincerely.