Specifications Product Name MT2 B16 Arbor Self Tightening Keyless Lathe Drill ChuckBrand ALLSOMEModel HT2942Material 45 SteelChuck Capacity 1 13mm 1 2 Chuck Inner Diameter 15 733mm 0 61 Chuck Outer Diameter 40mm 1 57 Chuck Length 88mm 3 46 Arbor Type MT2 B16 Features Superior Metal Texture Crafted from 45 steel providing a comfortable surface and easy clamping enhancing the output torque Thrust Bearing Design Unique thrust bearing facilitates the application of torque by the handle converting it into a greater clamping force Enhanced Clamping Force The self tightening mechanism increases the clamping force in accordance with the required force Keyless Design Tightening and loosening can be performed by hand allowing for quicker and easier chucking and unchucking Wide Compatibility Suitable for use with various drill machines milling machines lathes boring lathes and electric hand tools Package Included 1 x Chuck1 x Arbormso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt mso bidi font family Times New Roman font size 10 5000pt mso font kerning 1 0000pt