Features: Made from high quality alloy steel, durable & long for time service. Hardened steel 14 die screw plate quickly threads fine screws and wire from 0.7mm to 2.0mm. Matching set of 14 taps rethread holes for secure fastening. For any job that involves miniature fasteners / screws. Used in Jewelry making and Watch repair made to be used with soft metals. Specifications: Material: Alloy Steel Range: 0.7-2mm Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 14 Tap & Die Set 1 Screwplate