●Morse Taper 2MT(Long End) to Taper 3JT(Short End). ●Precision ground and hardened, high machining accuracy. ●Heat treated steel construction for high hardness and long durability. ●Morse taper shank allows the tool to be inserted directly into the machines spindle for high-applications. ●Suitable for all drill chucks with 3JT inner hole and any 2MT spindle machine.