Features: high quality Made of high-quality materials for durability Conical keyhole design provides strong locking force and secure fit Ideal for reworking existing threads in hard materials such as metals, and creating new threads in soft materials such as plastics Easy to use: align the mold positioning groove with the fastening screw in the center of the die wrench, insert the screw into the mold groove, and tighten securely High-speed steel (HSS) construction offers excellent wear resistance Suitable for use with both ferrous and non-ferrous materials Produces smooth, polished threading on tools Product Parameters: Model: 3/8-26 Die + 3/8-26 UNS Tap Material: High-speed steel Color: As shown in images Package Included: 1 x 3/8-26 UNS Tap 1 x 3/8-26 UNS Die Note: 1. The actual color may vary slightly from the images due to monitor settings and lighting conditions. 2. Please allow slight variation in measurements due to manual measurement.