Feature: 1. Morse taper shank tapping chuck has firmer clamping, convenient installation and disassembly, and high stability. 2. When the chuck is tapped, just adjust to obtain different slipping torsion to prevent the tap from breaking, which is convenient and quick 3. Standard size specifications can ensure work accuracy and improve processing and production efficiency. 4. Made of high-quality 40Cr material, with high tensile strength and toughness, it will not break easily. 5. Taper holes for lathe spindle holes, bed tail holes, drilling machines, milling machines and various cutting machine tools. Specification: Item Type: Tap Chuck Model: MT4 Model Description: MT4-M10 MT4 Means: The model of the tool holder is Morse taper conversion tool holder M10 Means: The tap that can be blessed is M10 type Material: 40Cr Shank Diameter: Approx. 31.267mm / 1.2in Application: Used for taper holes of lathe spindle holes, bed tail holes, drilling machines, milling machines, and various cutting machine tools. . Package List: 1 x Tap Chuck Note: 1. Install the correct type of taps, and do not blindly install over‑travel and damage the chuck.2. After use, please clean up the remaining impurities on the chuck in time to avoid affecting the accuracy of the chuck.