All critical surfaces are hardened and precision ground.
For CNC machines with BT taper spindles.
Concentricity is .0002".
Gage depth is 1.97".
Overall length is 4.5".
Shipping Weight: 2.4 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.