Faucet Length: 3.5/89mm. Thread head: 1.14/29mm. Rod diameter: 9mm. Square head : 7.1mm x 7.1mm (L*W) Ground: 1.5mm. Accuracy class: H2. Outside Diameter: 1.5/38mm. Die Thickness: 0.39/10mm. Pitch: 1mm. Accuracy class: 6g. Technology: Straight fluted design. rapid chip removal. and no jamming makes machining your threads faster and easier. Requests: Widely used in cast iron. copper. brass. abrasive steel. A3 steel. and other metal materials to process wires. Package includes: 1 set of M12X1.25 mm metric taps and dies. Note: The data is manual measurement, please allow 1-121cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.