* 0.002" TIR tolerance.
* Hardened and ground 1/2" diameter shank spring loaded and
  seentive finger control.
* Suitable for dimesions from .008" to 5/32"
* 3/4" travel, fits any mill, drill, lathe or jig borer.
* Fit all chucks with zero jacobs taper.

Order No. 436-3000