HHIP 3/8" JT2 Drill Chuck with MT2 Arbor. The drill chuck is a 1/32-3/8" JT2 drill chuck with key. This drill chuck is accurate and has strong gripping force. It is used with portable, bench or floor type drill presses. The arbor is a MT2 to JT2 tang end drill chuck arbor. The arbor is also hardened and ground.