Product Description: Color: Silver Size:25*11mm. Screw mold pattern:M7-M9 Surface treatment: Electrodusting Product List:1 X Round Die Holder [Material ]Tool steel and alloy steel; Surface finishing : Electrodusting-polishing. [High Quality]Adjustable Hand Tap Tap made of high quality alloy steel, corrosion resistant, high hardness and durable. [Features ]It can improve the efficiency of thread processing, a necessary tool for manual tapping operation,Ideal for thread processing and hand tapping in machinery manufacturing. [ Stylish design]The adjustable metric thread cone adopts a non-slip design, which is easy to grip and can improve efficiency.Holds round tables dies with 5 screws to fix the adjustable dies. [Easy to use]The square handle recess is sturdy and durable, and the jaws adjust the faucet easily and firmly. Mainly used for hand tapping operations.