Item Type: Drill Chuck Arbor ModelMT2-3/8-24 Material: Manganese steel Thread Size: 3/8in, Length: Approx. 24mm / 0.9in Connecting Rod: Morse MT2 Connection Method: Screw Package List 1 x Drill Chuck Arbor 1[Secure Connection] 2MT drill chuck arbor has a secure screw connection that ensures a stable and secure connection between the drill chuck and the machine. 2[Easy Installation] Drill chuck arbor allows for fast and easy installation and removal, which saves you time when switching between applications. 3[Durable Design] With a robust design and construction, this drill chuck arbor is built to withstand heavy use and provide reliable performance. 4[Widely Applicable] Suitable for use with a range of machines, including tapping machines, drilling machines, milling machines, boring machines, pneumatic tools, and more. 5Manganese Steel: Made of manganese steel, 2MT drill chuck has a black oxide finish that provides strong oxidation resistance, high hardness, and a long service life.