Description: Morse Taper #3 (3MT) to Jacobs Taper #2 (2JT) Long end is 3MT, short end is 2JT Features: Made of precision ground, high grade tool steel Arbor will fit all drill chucks that with a 2JT bore and will fit on any machine tool with a 3MT spindle Country of Origin United States Brand happy19star MPN HP32139 UPC Does not apply .